2--Yes.1'd like to make a reservation to Los Angeles on Sep.19th.

1--Just a moment.please.Let me check for you.(A moment later)Thank you for waiting.l am sorry but our flights are fully bookod on that day.The next available flight leaves at 4:00 pm on 20th.Shall I reserve you a seat on it ?

2--Yes,please,thank you.

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注解：

1.Just a moment（请）稍等  

2.available有空的  

3.A moment later过了一会儿

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译文：

1--下午好，瑞士航空公司。我是格林小姐，我能帮您忙吗?

2--是的，我想预订一张9月1 9号去洛杉矶的机票.

1--请稍等，我为您查一查，（过了一会儿）谢谢您等候。很抱歉，那天的座已经订满了.下一班航班是20号的下午4点的.需要我为您订张票吗?

2--好的，谢谢你。