generate response: Yes I would like Royal Spice, book a table for 8 people at 19:30 on the same day. Intent: book_restaurant. Slots: restaurant-area=north, restaurant-bookday=friday, restaurant-bookpeople=8, restaurant-booktime=19:30, restaurant-name=royal spice, restaurant-pricerange=cheap
Response: I'm sorry, there aren't any tables available at that time. Would you like to try another timeslot?