U: I am looking for a restaurant. The restaurant should be in the expensive price range and should be in the centre.

S: Fitzbillies restaurant serves British food, is located in the centre and is expensive. It's address is 51 Trumpington Street City Centre.

U: Is there any chinese restaurants around?

S: Yes there are a few. Can I recommend Tang Chinese. Would you like me to book that for you?

U: is the portion size good?
S: To almost all of its guests, the portion sizes on offer at the Tang Chinese restaurant are huge, perfect, and one's money's worth.