Is this ticket refundable? 这张机票可以退吗?

　　One way trip or round trip? 单程还是往返?

　　When do I have to check in? 我何时办理乘机手续?

　　I’d like in the non-smoking section. 我想要无烟区的座位。

　　Do you want to fly first or economy class? 您要订头等舱还是经济舱?

　　This plane is booked up to its full capacity. 机票已经全部预定一空。

　　Do I have to confirm my plane reservation? 我必须确认我预定的机票吗?

　　I’d like to make sure my plane reservation is in order. 我想确定我预订的机票已经办妥了。

　　Please arrive at the airport one hour before departure. 请在起飞前一小时到达机场。

　　10. Would you please tell me the flight number and departure time? 请告诉我班机号码和起飞时间，好吗?