generate response: Yes. Can you please book Zizzi Cambridge for 3 people at 21:00 on the same day, Sunday.. Intent: find_train. Slots: restaurant-area=centre, restaurant-bookday=sunday, restaurant-bookpeople=3, restaurant-booktime=21:00, restaurant-food=italian, restaurant-name=zizzi cambridge, restaurant-pricerange=cheap, train-day=sunday, train-departure=ely, train-destination=cambridge, train-leaveat=15:45
Response: I have reserved a table for three at 21:00. The reference number is OUN5OI0K .