generate response: I am not particular about departure time, please book 6 seats on the one arriving earliest and let me know the reference number.. Intent: book_train. Slots: train-arriveby=17:30, train-bookpeople=6, train-day=saturday, train-departure=cambridge, train-destination=broxbourne
Response: Reference number is : MO8SEC17 . Train ID TR8674. Is there anything else?