How about graffiti? I've heard great things.
I am looking for a place to dine. The restaurant should be in the expensive price range and should serve british food. That sounds interesting. What area is the restaurant in?
{"__type": "Inform", "entity": {"__type": "Restaurant", "name": "graffiti"}}
{"__type": "Inform", "entity": {"__type": "Restaurant", "area": "west"}}
It is in the west area.