ental Airlines, Texas Air instituted a new low fare category __7__ MaxSaver. The fare offered prices that were up to 40 per cent lower than "supersaver" rates offered __8__ all airlines. For example, the round-trip MaxSaver fare from New York to Houston was $70. The MaxSaver fares were immediately matched by all major airlines, __9__ feared losing business. While MaxSaver rates were low, they also had restrictions. Tickets could not be __10__ or flight times modified after purchase. Passengers would have to stay over either a Saturday or Sunday. Reservations had to be made at least two days __11__, and there were limited seats available. Three weeks after MaxSaver rates were __12__, American Airlines announced plans to raise its discount fares and require 30-day __13__ purchasing for its lowest fares. It felt it could not continue at the rates in effect. However, just 10 days __14__, Ameriacn Airlines had to revise its plan. Texas Air refused to abandon the MaxSaver fare; it even extended the program into the busy summer season. Competitors went along and the price war raged on, __15__ an executive''s comment that "nobody''s cost structure can survive MaxSavers."