What is Computer Reservation System? A Computer reservation system (CRS) is a web-based software used by travel agencies and travel management companies to access and conduct transactions relating to air travel, hotels, car rental, and other activities. One of the most extensively utilized technologies in the travel and tourism industry is the computer reservation system (CRM). It has completely transformed the tourism industry. An Online travel booking system is an essential tool for travel agencies or companies. It saves a lot of time. Online reservation system/global distribution systems enable online booking of travel packages, airlines, hotels, and cruises. The Role of Computer Reservation System In The Travel Industry: CRS – computer reservation system – connects to all providers via web services XML / API and brings availability and pricing data in real time. Users can search for flights, hotels, car rentals, and packages in real-time, select and make the payment and get the confirmation voucher at the same time. The travel reservation system supports B2C –end-user modules, B2B – agent modules, B2B3B – sub-agents, and while-label. For airline inventory, It communicates with GDS systems like Amadeus, Galileo, Travelport, and sabre. For hotel inventory, It communicates with GTA, Hotelbeds, Hotelspro, Travco, Tourico, DOTW, Bonotel, WCT, and others.