第一句：Can I get a seat for today's 7:00 a.m. train?

　　我可以买到今天上午7点的火车座位票吗？

　　A: Excuse me. Can I get a seat for today's 7:00 a.m. train?

　　打扰一下，我可以买到今天上午7点的火车座位票吗？

　　B: Oh, I'm afraid there is no seat available. I'm sorry, sir.

　　哦，恐怕没有座位了，很抱歉，先生。

　　A: It doesn't matter.

　　没关系。

　　第二句：I'd like to book two tickets from Paris to London.

　　我要预订两张从巴黎到伦敦的票。

　　A: Excuse me. I'd like to book two tickets from Paris to London.

　　打扰一下，我要预订两张从巴黎到伦敦的票。

　　B: One way or round trip?

　　单程票还是往返票。

　　A: One way, please.

　　单程票。

　　预订火车票类似的句子还有：

　　I want to buy a berth on the train to Beijing.

　　我想买一张去北京的卧铺票。

　　I'd like to reserve a sleeper to Canada.

　　我想预定一张去加拿大的卧铺票。

　　I want to reserve a seat on this train.

　　我想预定这班火车的座位票。