11、We waited for John in the lobby of the airport.

　　我们在机场的大厅里等约翰。

　　12、I'd like to buy an excursion pass instead.

　　我要买一张优待票代替。

　　13、I'd like a refund on this ticket.

　　14、I'd like to have a seat by the window.

　　我要一个靠窗的座位。

　　15、You have to change at Chicago Station.

　　你必须要在芝加哥站转车。

　　16、We have only one a day for New York.

　　到纽约的一天只有一班。

　　17、Sorry, they are already full.

　　抱歉，全部满了。

　　18、I'd like to reserve a seat to New York.

　　我要预订一个座位去纽约。

　　19、The flight number is AK708 on September 5th.

　　班机号码是9月5日AK708.

　　20、There's a ten thirty flight in the morning.

　　早上10点半有班机。