generate response: I need to book seats for 4 people please, and can I get the reference number for that?. Intent: book_train. Slots: train-arriveby=10:30, train-bookpeople=4, train-day=thursday, train-departure=peterborough, train-destination=cambridge
Response: First let's verify which train you want. The TR1719 will have you at your destination around 10:09.