generate response: Hakka sounds interesting. Can you book a table for 3 at 16:30 on Sunday please?. Intent: book_restaurant. Slots: restaurant-area=north, restaurant-bookday=sunday, restaurant-bookpeople=3, restaurant-booktime=16:30, restaurant-food=chinese, restaurant-name=hakka, restaurant-pricerange=expensive
Response: There are no tables available at that time. Would you like to try a different time or day?