generate response: Any train is fine. I'll need it booked for three people.. Intent: book_train. Slots: train-arriveby=17:15, train-bookpeople=3, train-day=thursday, train-departure=london liverpool street, train-destination=cambridge, train-leaveat=dontcare
Response: I've booked you for 3 on TR3257, leaving liverpool street at 13:39 and arriving cambridge at 15:07, with reference #YR897WTP . Can I help you with anything else?