generate response: Can you book it for me and get a reference number ?. Intent: find_train. Slots: restaurant-area=north, restaurant-bookday=saturday, restaurant-bookpeople=5, restaurant-booktime=18:00, restaurant-food=italian, restaurant-name=da vinci pizzeria, restaurant-pricerange=cheap, train-arriveby=12:15, train-day=saturday, train-departure=peterborough, train-destination=cambridge
Response: I'll be happy to assist with that, how many tickets would you like me to book?