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. 我要退这张票。

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.

20 there’s a ten thirty flight in the morning. 早上10点半有班机。