There are 21 different options. Did you prefer a certain type of food?
I am looking for a restaurant in the centre that is moderately priced. Not really, but any place that can handle a booking for 7 people at 13:15 on saturday
{"__type": "Inform", "entity": {"__type": "Restaurant", "choice": "21"}} {"__type": "Request", "service": "restaurant", "values": ["food"]}
{"__type": "NotifyFailure", "service": "entity"} {"__type": "Request", "service": "entity", "values": ["book day", "book time"]}
Booking was unsuccessful. Would you like to try for another day or time slot?