generate response: Let's change the date to leaving on Tuesday after 20:00 and it should be departing Cambridge and to the Birmingham New Street.. Intent: find_train. Slots: train-day=tuesday, train-departure=cambridge, train-destination=birmingham new street, train-leaveat=20:00
Response: I would recommend TR6319 which leaves Cambridge at 20:01 and arrives at Birmingham New Street at 22:44.