I'd like to talk to Mr. Wang, please.

我想跟王先生讲话。

Oh. I'm sorry.

噢，对不起。

I'll call you again later, OK?

我以后再打给你，好吗？

I need to make an appointment with you tonight.

我想今晚约你。

Please have two window seats placed aside for us.

请为我们保留两个靠窗口的位子。

We can have somebody come by, but it won't be right away.

我们可以派人去，但现在不行。