generate response: I also need a train for Friday departing from Ely to Cambridge for 5 people and arriving by 16:30. Can you book this and get a reference number for me?. Intent: book_train. Slots: train-arriveby=16:30, train-bookpeople=5, train-day=friday, train-departure=ely, train-destination=cambridge
Response: The closest match for you would be the TR4389. You'll depart at 15:35 and arrive at 15:52. Reference number D40MV6A4 . 22 GBP payable at the station.