It's a small restaurant. It's best to reserve a table.
那是一家小餐馆。最好先预订一张桌。
A I hear The Golden Palace restaurant is very good.
A 我听说金王宫饭店非常好。
B Yes, it's excellent. You should try it. The food is very good.
B 是的，非常棒。你应该去那里看看。菜做得非常好。
A Shall we go there this evening?
A 我们今晚去那里好吗？
B Good idea. It's a small restaurant. It's best to reserve a table.
B 好主意。那是一家小餐馆，最好先预订一张桌。
A OK. I'll phone and book now.
A 好，我现在就打电话预订。
B If it's full, we can try tomorrow evening.
B 如果餐馆满员，我们可以明天晚上去。

Notes注释
1 Sometimes when you have heard an opinion about something or somewhere, you can say: I hear . . . / I hear . . . for example: I hear the Golden Palace restaurant is very good / I hear the Golden Palace restaurant is very good.
有时当你听说了关于某物或者某地的意见时，你可以说：I hear . . . / 我听说 . . .例如: I hear the Golden Palace restaurant is very good /我听说金王宫饭店非常好。
2 If a restaurant is popular and small, you may advise booking in advance: It's a small restaurant. It's best to book a table. / It’s a small restaurant. It's best to book a table.
如果一家餐馆很受欢迎但是很小，你可以建议提前预订：It's a small restaurant. It's best to book a table. /那是一家小餐馆，最好先预订一张桌。
3 You can offer to make a booking by phone: I'll phone and book now. / I'll phone and book now.
你可以主动提出打电话预订：I'll phone and book now. /我现在就打电话预订。

Key phrases and sentences
I hear The Golden Palace restaurant is very good.
Yes, it's excellent. You should try it. 
The food is very good.
Shall we go there this evening?
Good idea. It's a small restaurant.
It's best to book a table.
OK. I'll phone and book now.
If it's full, we can try tomorrow evening.

我听说金王宫饭店非常好。
是的，非常棒。你应该去那里看看。菜做得非常好。
我们今晚去那里好吗？
好主意。那是一家小餐馆，最好先预订一张桌。
好，我现在就打电话预订。
如果餐馆满员，我们可以明天晚上去。