generate response: For the taxi I need to be picked up in enough time to arrive to the restaurant in time.. Intent: book_restaurant. Slots: taxi-departure=charlie chan, taxi-destination=ballare, restaurant-area=centre, restaurant-bookday=friday, restaurant-bookpeople=4, restaurant-booktime=12:15, restaurant-food=chinese, restaurant-name=charlie chan, restaurant-pricerange=cheap
Response: To book a taxi I need time of travel, departure location and arrival location.