Have you reserved your table? 您有没有预订座位?

I haven't made any reservation. This is the first time I have been here. 我没有预先订座。这是我第一次在这里吃饭。

Good evening, ladies and gentlemen. Do you have a reservation? 晚上好，女士们，先生们。你们有预约吗?

Oh, I'm afraid not. 噢，恐怕没有。