generate response: How about 16:00?. Intent: book_restaurant. Slots: restaurant-bookday=thursday, restaurant-bookpeople=5, restaurant-booktime=16:00, restaurant-food=gastropub, restaurant-name=cow pizza kitchen and bar, restaurant-pricerange=moderate
Response: Yes, I have a reservation available for 16:00. Your reference number is GXV1UIFJ . Is there anything else you need?