Which Passport on booking - Mainland China to UK?
I have a flight booking from Shanghai via HK to London coming up soon (booked on BA, but first leg on CX). If I have both British and HK passport (and also the "home return permit", then:
1. Which one should I use when checking-in online?
2....
https://www.flyertalk.com/foru....m/cathay-pacific-cat
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