generate response: I also need to book a taxi between the hotel and restaurant. I need to arrive by 19:45.. Intent: book_restaurant. Slots: taxi-arriveby=19:45, restaurant-area=north, restaurant-bookday=friday, restaurant-bookpeople=7, restaurant-booktime=19:45, restaurant-name=hotpot, restaurant-pricerange=expensive
Response: What time do you need to leave by?