generate response: I'm sorry, I actually need to travel from Broxbourne to Cambridge. And yes, I actually do need to leave after 13:00 on Tuesday.. Intent: find_train. Slots: train-day=tuesday, train-departure=broxbourne, train-destination=cambridge, train-leaveat=13:00
Response: All right, the TR8199 train leaves at 13:32 on Tuesday. Would you like me to purchase tickets for you?