generate response: Thast will work,I need you to book it for 2 people and a reference number please. Intent: book_train. Slots: train-arriveby=16:00, train-bookpeople=2, train-day=tuesday, train-departure=cambridge, train-destination=stevenage
Response: I want to confirm you are leaving from Cambridge. If you want to arrive in stevenage by 16:00, I recommend TR0743, leaving at 13:21 and arriving at 14:10.