generate response: I need to arrive to the restaurant by 18:30.. Intent: book_restaurant. Slots: taxi-arriveby=18:30, taxi-destination=curry garden, restaurant-area=dontcare, restaurant-bookday=tuesday, restaurant-bookpeople=4, restaurant-booktime=18:30, restaurant-food=indian, restaurant-name=curry garden, restaurant-pricerange=expensive
Response: Where will you be departing from?