Functional requirements of Travel Booking System with non-functional

Functional Requirements

1. User Management
   • Account Creation: Allow users to create and manage their accounts, including personal information, travel preferences, and payment methods.
   • Authentication: Implement secure login and logout functionalities, including password management and two-factor authentication.
   • Role-Based Access: Implement role-based access for different types of users (e.g., travelers, travel agents, administrators).
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2. Search and Booking
   • Search Functionality: Enable users to search for travel options based on criteria such as destination, dates, number of passengers, and travel class.
   • Availability Check: Display real-time availability of flights, hotels, car rentals, and other travel services.
   • Booking and Reservation: Allow users to book flights, hotels, car rentals, and vacation packages, including selecting options and entering required details.
   • Booking Confirmation: Send booking confirmations to users via email or SMS, including details of their travel arrangements.
3. Payment Processing
   • Fare Calculation: Calculate and display total costs for bookings, including taxes, fees, and any additional charges.
   • Payment Methods: Support various payment methods, including credit/debit cards, digital wallets, and bank transfers.
   • Transaction Processing: Integrate with payment gateways to process payments securely and handle refunds or cancellations.
4. Itinerary Management
   • View and Manage Itineraries: Allow users to view, modify, or cancel their bookings and itineraries.
   • Trip Details: Provide detailed trip information, including booking references, dates, times, and locations.
5. Notifications and Alerts
   • Booking Updates: Send notifications to users about booking confirmations, changes, cancellations, and reminders.
   • Travel Alerts: Provide alerts for important travel updates, such as flight delays, weather conditions, or itinerary changes.
6. Customer Support
   • Support Channels: Offer multiple support channels, including live chat, email, and phone support, to assist users with their travel-related issues.
   • Help Center: Provide a help center with FAQs, guides, and troubleshooting resources.
7. Reporting and Analytics
   • Booking Reports: Generate reports on booking statistics, revenue, and user behavior.
   • Performance Metrics: Track system performance metrics, such as booking volumes and payment processing times.
8. Integration
   • Third-Party Services: Integrate with third-party services for flight, hotel, and car rental data, including Global Distribution Systems (GDS) and property management systems.
   • API Integration: Provide APIs for integration with external systems, such as CRM or ERP systems.
9. Security and Compliance
   • Data Protection: Implement measures to protect sensitive user data, including payment information and personal details.
   • Compliance: Ensure compliance with relevant regulations and standards, such as GDPR and PCI DSS.
10. User Preferences and Personalization
    • User Profiles: Allow users to save their travel preferences, frequently used payment methods, and personal information for a personalized booking experience.
    • Recommendations: Provide personalized travel recommendations based on user preferences and booking history.

Non-Functional Requirements

1. Performance
   • Response Time: Ensure fast response times for search queries, booking processes, and payment transactions (e.g., under 2 seconds for most operations).
   • Scalability: The system should handle increasing numbers of users, bookings, and transactions without performance degradation.
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2. Reliability
   • Uptime: Ensure high system availability with minimal downtime (e.g., 99.9% uptime).
   • Error Handling: Implement robust error handling and recovery mechanisms to manage system failures and ensure data integrity.
3. Security
   • Data Encryption: Protect sensitive data through encryption, both in transit and at rest.
   • Authentication and Authorization: Use secure authentication methods and role-based access control to manage user access and permissions.
   • Fraud Detection: Implement measures to detect and prevent fraudulent activities.
4. Usability
   • User Interface: Design an intuitive and user-friendly interface for searching, booking, and managing travel arrangements.
   • Accessibility: Ensure the system is accessible to users with disabilities, following accessibility standards (e.g., WCAG).
5. Maintainability
   • Code Quality: Write high-quality, well-documented code to facilitate system maintenance and updates.
   • Documentation: Provide comprehensive documentation for users, developers, and administrators, including user guides, technical manuals, and troubleshooting guides.
6. Availability
   • Backup and Recovery: Implement regular data backups and establish procedures for data recovery in case of system failures or data loss.
   • Failover: Ensure the system has failover capabilities to switch to backup systems or servers if necessary.
7. Portability
   • Cross-Platform Compatibility: Ensure the system is compatible with various devices and operating systems used by users, including desktops, tablets, and mobile devices.
8. Supportability
   • Technical Support: Provide mechanisms for users to obtain support and resolve issues, including help desks, online resources, and customer service.
   • Error Reporting: Include functionality for reporting issues or bugs and tracking their resolution.