U: I'm looking for an expensive place to dine in the centre.

S: I have 33 restaurants that meet that criteria. Are you looking for a certain type of food?

U: I would like north american food.

S: gourmet burger kitchen is an expensive restaurant that serves North American Food. Would that be acceptable?

U: Sure please book for 7 people on wednesday at 19:15 please.

S: Unfortunately, we were not able to book that restaurant. Would you like me to try and find another restaurant?

U: Are there any other options in the expensive price range in the centre?

S: I was able to find 3 that serve british food and 1 that serves african and 1 that serves asian. Do you have a preference?

U: Can you book me in for the Asian restaurant then?

S: Okay. I was able to book you a table at the kymmoy. Your reference number is TQVKVLNH. Is there anything else you need?

U: About that restaurant, do they make dumplings with fresh local ingredients?
S: Guests whose menu choices included dumplings raved about them and enjoyed the quality calling them authentic. However, nobody mentioned if the ingredients were local. Do you need further information?