Y: May I sit here?

　　Y:我可以坐这里吗?

　　X: I'm afraid this seat is taken.

　　X:这个座位恐怕有人坐了。

　　Y: Oh, is it? Thank you anyway.

　　Y:哦，是吗?不管怎么样仍谢谢你。

　　X: You're welcome. Why if you ask the conductor when he comes by? He should help you find one.

　　X:别客气。.待会儿列车长过来时，你何不问问他呢?他应该会帮你找一个座位。

　　Y: Thank you.

　　Y:谢谢你。