release back

Refers to the process by which unsold, pre-allocated travel inventory—such as hotel rooms, airline seats, or tour spaces—is returned by an intermediary (typically a tour operator, wholesaler, or consolidator) to the original supplier once a contractual deadline has passed. In the intricate ecosystem of Travel Operations & Distribution, this mechanism allows suppliers to regain control…

availability

Refers to the number of bookable units—such as hotel rooms, airline seats, cruise cabins, rental cars, or tour spaces—currently open for sale within a given system, date, and price category. In the realm of travel operations and distribution, it is not merely a count of remaining inventory, but a dynamic, system-governed status that determines what…

inventory

Refers to the total set of travel products and services that are available to be sold at any given time—whether seats on a flight, rooms in a hotel, cabins on a cruise, tickets for an attraction, or slots on a guided tour. In the realm of Travel Operations & Distribution, it is the foundational resource…