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。