generate response: Only me so so just one. Intent: book_train. Slots: restaurant-area=centre, restaurant-food=vietnamese, train-arriveby=13:00, train-bookpeople=1, train-day=saturday, train-departure=cambridge, train-destination=london kings cross
Response: I have you booked on TR5170 with reference number KH6HKQ4X . Unfortunately, I have no Vietnamese restaurants in the centre. Would you like to try another type of food or area?