generate response: it's for the same group of people. Intent: book_train. Slots: train-arriveby=09:00, train-bookpeople=5, train-day=wednesday, train-departure=london liverpool street, train-destination=cambridge
Response: Alright, I've booked a train for your group, the reference number is AOIMGBHK, and there will be an 83 GBP fee at the station.