generate response: I prefer to depart after 16:45. Just choose the first train you see listed and book tickets for 7 people. Then give me the reference number.. Intent: book_train. Slots: restaurant-area=centre, restaurant-bookday=wednesday, restaurant-bookpeople=7, restaurant-booktime=16:00, restaurant-food=british, restaurant-name=midsummer house restaurant, restaurant-pricerange=expensive, train-bookpeople=7, train-day=thursday, train-departure=cambridge, train-destination=leicester, train-leaveat=16:45
Response: IKCBZMLX Is you confirmation number, have you booked for seven tickets.