- Add full implementation for booking handlers with complete CRUD operations
- Implement GetAvailableSlots endpoint to retrieve available booking time slots
- Add CreateBooking handler with robust error handling and validation
- Implement GetUserBookings endpoint to fetch user's booking history
- Add CancelBooking handler with specific error scenarios and authorization checks
- Integrate booking service and middleware for authentication and request processing
- Add support for date parsing and slot availability checking
- Enhance error responses with detailed error messages and appropriate HTTP status codes
- Integrate with existing authentication and middleware components
