 The system was pursued to develop in order to create synergies between AMR, Marriott, Hilton Hotels Corporation and Budget Rent-A-Car and fully integrate and unify the reservation systems of the companies involved.In 1988 the four large corporations made contracts to complete the system by June 1992 project at a cost of $55 million.Unfortunately, the project turned out to be much more complex to finish than the partners had anticipated.