generate response: The train that gets me there closest to 8:30 would be nice for 5 people.. Intent: book_train. Slots: train-arriveby=08:30, 8:30, train-bookpeople=5, train-day=monday, train-departure=stansted airport, train-destination=cambridge
Response: I have found 3 trains that would arrive before 8:30. The cost would be 50.50 pounds total for 5 people. Would you like me to book one?