generate response: I need to depart on Thursday and arrive by 08:30. I do not care when I depart.. Intent: find_train. Slots: train-arriveby=08:30, train-day=thursday, train-departure=broxbourne, train-destination=cambridge, train-leaveat=dontcare
Response: TR5725 leaves at 0632 and arrives at 0732. Would you like me to book?