rtokens: The Office of Fair Trade called for British Airways / American to allow third-party access to their joint frequent flyer programme where the applicant does not have access to an equivalent programme .
pos: PRP RB VBD VBG DT NNS IN DT NNP NN .
tokens: It also suggested losing some slots on the London-to-Boston route .
ltokens: The government also wants British Airways to drop a clause in its agreement with USAir that bars it from competing on trans-Atlantic routes , and said both British Airways and American should be prepared to reduce services on the London to Dallas-Fort Worth route in the event that a new entrant wishes to enter .