It's nice of you to see me off.

一路来给我送行，太感谢你了。

1.It's nice of you to..某人（做某事）真是太好了

It's nice of you to help me.

能帮我你真是太好了。

It's nice of you to say so.

你这么说真是太好了。

2 see sb off 为某人送行

We all went to the airport to see her off.

我们都去了机场为她送行。

A:It's nice of you to see me off.

一路来给我送行，太感谢你了。

B:It's my pleasure.Hope you'll visit Beijing more often.

很乐意为您效劳。欢迎以后多来北京。

A:Thanks.Stop here now.

谢谢了，就送到这儿吧。

B:Ok,I hope you have a good trip.Thanks so much for your cooperation,Mr Simpson.Give my best wishes to Mr.Green.

好的，祝你旅途愉快。万分感谢您的合作，辛普森先生，代我问候格林先生。

A:Ok,I will.Goodbye and remember to look me up if ever you're in Paris.

好，我会的。再见了。如果你到了巴黎请记住来看我。

B:Goodbye and all the best.

再见。祝您一帆风顺。

A:Ok,bye for now.

好的，再见了。