generate response: Wait, I want it to go to the restaurant by 15:30.. Intent: book_restaurant. Slots: taxi-arriveby=15:30, taxi-departure=huntingdon marriott hotel, taxi-destination=graffiti, restaurant-area=west, restaurant-bookday=monday, restaurant-bookpeople=7, restaurant-booktime=15:30, restaurant-food=british, restaurant-name=graffiti, restaurant-pricerange=expensive
Response: Booking completed! Booked car type : black volvo Contact number : 07237462964