generate response: I'd like to book 3 tickets on the train arriving at 19:08, please. And would it be possible to have a reference number for the booking?. Intent: book_train. Slots: train-bookpeople=3, train-day=wednesday, train-departure=cambridge, train-destination=stansted airport
Response: OK, you have 3 tickets reserved on TR4447, departing Cambridge at 18:40, arriving Stansted at 19:08. Total fee is 30.29 GBP. Reference #5VRJSMSE . Will that be all today?