generate response: Is it possible for you to get me a taxi to take me from Broughton Gallery to Gourmet Burger Kitchen by 18:15?. Intent: book_restaurant. Slots: taxi-departure=broughton gallery, broughton house gallery, taxi-destination=gourmet burger kitchen, taxi-leaveat=18:15, restaurant-bookday=sunday, restaurant-bookpeople=7, restaurant-booktime=18:15, restaurant-food=north american, restaurant-name=gourmet burger kitchen, restaurant-pricerange=expensive
Response: How many people will be riding?