Hotel Booking System class diagram models core entities—Hotel, Room, Guest, Reservation, and Payment—with inheritance and cardinality relationships. Guests create Reservations linked to specific Rooms within a Hotel, while Payments track transaction details and support refunds. CorporateGuest extends Guest to handle company billing and invoice requests, demonstrating polymorphism for different customer types. This UML design captures booking workflows, room availability management, and payment lifecycle in a single, reusable blueprint. Fork and customize this diagram on Diagrams.so to adapt it for your booking platform, add additional attributes, or integrate with your development documentation.