The ticket window

售票窗口

Excuse me, where is the ticket window?

请问，哪里是售票厅啊？

Walk straight and you will see it.

一直往前走你就会看到的。

I would like to buy round ticket to London please.

我想买张去伦敦的往返票。

The next one?

下一班的吗？

Yes. How long is the round ticket good for?

是的，返程票多少天内有效?