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Thread: Why do airlines refuse seating choice on codeshare flights?
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Old Jul 25, 2017 | 11:18 am
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JDiver
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For one, they may use completely different Computer Reservation Systems, such as Sabre vs. Amadeus. Another is their systems are rarely linked in meaningful ways: even with AA and BA they both give you different Passenger Name Records, so you have to get your AA PNR (BA can find your ressie with your AA PNR.
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