generate response: Yes for 2 at 19:30 on Sunday please. I need the reference number then too.. Intent: book_restaurant. Slots: restaurant-area=centre, restaurant-bookday=sunday, restaurant-bookpeople=2, restaurant-booktime=19:30, restaurant-food=thai, restaurant-name=bangkok city
Response: I've booked that for you and your reference number is X4W3U0LM .