A GDS allows travel agents and consumers to search for and book flights, hotel rooms, and other travel services in real-time.

Worldspan is not a major GDS provider, while Amadeus, Sabre, and Galileo are.

The process of searching for and booking travel services through a GDS is referred to as booking.

Consumers are not typically direct users of GDS, as they usually book travel services through travel agents or online travel agencies.

GDS provides travel agents with increased efficiency, real-time information, and a wider range of travel options to offer their clients.

Cruise bookings are typically not processed through GDS, as they have their own dedicated reservation systems.

The fee paid by travel agents to GDS providers for each transaction is referred to as the GDS fee.

Value Alliance is not a major airline alliance, while Star Alliance, Oneworld, and SkyTeam are.

The process of integrating a GDS with other travel systems is referred to as integration.

Google is not a major travel technology company that offers GDS services, while Amadeus IT Group, Sabre Corporation, and Travelport Worldwide are.

The process of transmitting booking data from a GDS to an airline's reservation system is referred to as PNR transmission.

Southwest Airlines is not a major low-cost carrier that uses GDS for booking, while Spirit Airlines, Frontier Airlines, and Allegiant Air are.

The process of retrieving real-time information on flight schedules and availability from a GDS is referred to as inquiry.

Airbnb is not a major hotel chain that uses GDS for booking, while Marriott International, Hilton Worldwide, and InterContinental Hotels Group are.

The process of issuing an electronic ticket for a flight reservation made through a GDS is referred to as e-ticketing.