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優點： Yes, we were unexpected and surprised being upgrade to premier class
缺點： no complaints. very appreciated our upgrade, since we went to Prague for mother-in-law's funeral, we were absolutely exhausted.This up grade made an excellence different to us. Thanks very much.
優點： Very efficient boarding. Using two doors and a twin aisle plane made boarding very efficient despite the size of the plane and the number of people. Free WiFi worked surprisingly well - I was able to make a video call to my family. The plane was clean and tidy . Not really much more to say as it was a very short flight.
缺點： No food offered, not even a biscuit, only very basic drink selection.