I'd like to book a flight to Sydney.我要定到雪梨的机票。

　　When would you like to fly?您希望什么时候出发？

　　What's your flight number?你的航次是什么？

　　What about the return flight?回程呢？

　　He usually flies first-class.他通常搭头等舱。

　　Do you prefer any particular airline?你有没有偏好哪家航空公司？

　　I'd rather not flying in American airline.我不想搭美籍航空公司。

　　The flight's transis in Bangkok.这航班在曼谷转机。

　　How long is the stop over?转机停留多久？