There are five places, which type of food do you prefer?
I'd like a restuarant in the north with expensive food. Surprise me, I just want something pricey to impress my friends. It'll be a party of seven.
{"__type": "Inform", "entity": {"__type": "Restaurant", "choice": "five"}} {"__type": "Request", "service": "restaurant", "values": ["food"]}
{"__type": "Request", "service": "entity", "values": ["book day", "book time"]} {"__type": "Inform", "entity": {"__type": "Restaurant", "choice": "five"}}
I found five restaurants, what day and time would you like to go?