generate response: how about 15:00 then?. Intent: book_restaurant. Slots: restaurant-area=centre, restaurant-bookday=saturday, restaurant-bookpeople=3, restaurant-booktime=15:00, restaurant-food=mediterranean, restaurant-name=the gardenia, restaurant-pricerange=cheap
Response: Alright, I was able to book that time slot, your reference number is NRPFPYAJ