generate response: Anytime is fine as long as I leave after 10:45. I'll need a booking for 6 people and a reference number.. Intent: book_train. Slots: train-arriveby=dontcare, train-bookpeople=6, train-day=thursday, train-departure=birmingham new street, train-destination=cambridge, train-leaveat=10:45
Response: I suggest TR2613. It'll get you there the soonest after 10:45 but not soon enough to where time is tight. It is 450.6 GBP and the reference no. is 5VNL3K87