generate response: Yes please, book me for 4 people at 13:15 on friday.. Intent: book_restaurant. Slots: restaurant-area=north, restaurant-bookday=friday, restaurant-bookpeople=4, restaurant-booktime=13:15, restaurant-name=the hotpot, the hotspot, restaurant-pricerange=expensive
Response: The booking was successful. The reference number is : 37DDZB4H .