generate response: Do you have the taxi's reference or confirmation number, please?. Intent: book_restaurant. Slots: taxi-arriveby=16:45, taxi-departure=ballare, taxi-destination=pizza hut cherry hilton, pizza hut cherry, restaurant-bookday=friday, restaurant-bookpeople=2, restaurant-booktime=16:45, restaurant-food=italian, restaurant-name=pizza hut cherry hilton, pizza hut cherry, restaurant-pricerange=moderate
Response: No, only informatin I have is Booked car type : blue toyota Contact number : 07110577861