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

wǒmén zài jīchǎnɡ de dàtīnɡlǐ děnɡ yuēhàn

11.我们在机场的大厅里等约翰。

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

wǒ yào mǎi yìzhānɡ yōudàipiào dàitì

12.我要买一张优待票代替。

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

wǒyào tuì zhèzhānɡ piào

13.我要退这张票。

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

wǒyào yíɡe kàochuānɡde zuòwèi

14.我要一个靠窗的座位。

15.You have to change at Chicago Station.

nǐ bìxū yàozài zhījiāɡēzhàn zhuǎnchē

15.你必须要在芝加哥站转车。

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

dào niǔyuē de yìtiān zhǐyǒu yìbān

16.到纽约的一天只有一班。

17.Sorry, they are already full.

bàoqiàn quánbù mǎnle

17.抱歉,全部满了。

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

wǒyào yùdìnɡ yíɡe zuòwèi qù niǔyuē

我要预订一个座位去纽约。

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

bānjī hàomǎ shì jiǔyuè wǔrì A K qī línɡ bā

19.班机号码是9月5日AK708

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

zǎoshànɡ shídiǎnbàn yǒu bānjī

20.早上10点半有班机。