generate response: how about you suggest one and book a table for 4 at 15:15 on wednesday, and I'll need the reference number too please. Intent: find_taxi. Slots: restaurant-area=west, restaurant-bookday=wednesday, restaurant-bookpeople=4, restaurant-booktime=15:15, restaurant-food=italian, restaurant-pricerange=moderate
Response: Ok, I've booked you a table for 4 at Prezzo. Reference number is YXVRL9YK, and the table will be reserved for 15 minutes. Do you need anything else?