generate response: No, the first train leaving after 14:45 would be fine. I want to book tickets for 8 people.. Intent: book_train. Slots: train-bookpeople=8, train-day=monday, train-departure=cambridge, train-destination=stevenage, train-leaveat=14:45
Response: I was able to book TR2045, reference number is 7OWLTI02 .