generate response: Sure! It will be 7 people at 16:00 on saturday. Please give me the reference number.. Intent: find_train. Slots: restaurant-area=centre, restaurant-bookday=saturday, restaurant-bookpeople=7, restaurant-booktime=16:00, restaurant-pricerange=moderate, train-arriveby=20:30, train-day=saturday, train-destination=london kings cross, train-leaveat=19:00
Response: Unfortunately, I am unable to book at this time.