I'd like to reserve a sleeper to chicago.

我要预订去芝加哥的卧铺。

I think a joint venture would be beneficial to us both.

我认为合资经营对双方都是有利的。

It's a bit too hard.

这有点太难了吧。

Please ring off.

请挂电话。

If you can guarantee on-time delivery with a penalty for late delivery, we can accept your sales price.

如果你能保证用惩罚延误发货方式准时发货，你的销售价我们可以接受。

What do you expect it to go for?

你们的试销情况如何？