Hello ! This is Air China Booking Office .   Hello ! I'd like to reconfirm my flight reservation .   May I know your flight number , please ?   It's flight CA169 , which leaves Beijing at 8: 00 a . m . on January 20th .   Oh , yes . That's our regular flight to Nanchang . Would you please tell me your name ?   My name is Deng Li .   Yes , here you are . You're flying in economy class . Is that right ?   Oh , no . I'm sure I made a reservation for a first-class ticket . 