generate response: book a table for 7 at 14:45 on saturday and get me a reference number. Intent: book_restaurant. Slots: restaurant-area=west, restaurant-bookday=saturday, restaurant-bookpeople=7, restaurant-booktime=14:45, restaurant-food=italian, restaurant-name=prezzo, restaurant-pricerange=moderate
Response: Booking was successful. The table will be reserved for 15 minutes.Reference number is : GW3LQPRE .