generate response: Yes, what about the reference number?. Intent: book_restaurant. Slots: restaurant-area=north, restaurant-bookday=monday, restaurant-bookpeople=1, restaurant-booktime=12:00, restaurant-food=italian, restaurant-name=da vinci pizzeria, restaurant-pricerange=cheap
Response: My system is down and I am unable to book at the moment. Here is their # 01223351707 or we can try again later. Sorry for inconvenience.