generate response: I'll be traveling to Cambridge and would prefer to leave after 08:45. Intent: find_train. Slots: train-day=thursday, train-departure=bishops stortford, train-destination=cambridge, train-leaveat=08:45
Response: Train TR0798 leaves Bishops Stortford at 9:29 and arrives in Cambridge at 10:07. Would you like me to make a reservation?