generate response: I'd like to depart from Peterborough. I'm heading to Cambridge. I'll need to book for 8 people.. Intent: book_train. Slots: train-bookpeople=8, train-day=friday, train-departure=peterborough, train-destination=cambridge, train-leaveat=10:15
Response: I've made reservations on TR6932 and your reference number is C8XK2EPK .