Certainly, we have 21. Do you have a cuisine type or a price range?
Is there a moderate restaurant in the centre of town? Yes, I'd like a moderately priced restaurant.
{"__type": "Inform", "entity": {"__type": "Restaurant", "choice": "21"}} {"__type": "Request", "service": "restaurant", "values": ["food", "price range"]}
{"__type": "Offer", "entity": {"__type": "Restaurant", "area": "centre of town", "food": "British", "name": "Cotto", "price range": "moderately priced"}}
Cotto is a moderately priced restaurant in the centre of town. It serves British food.