generate response: Yes, please book a table for 8 on Tuesday at 20:15. I'd also like the reference number, please?. Intent: book_train. Slots: restaurant-area=west, restaurant-bookday=tuesday, restaurant-bookpeople=8, restaurant-booktime=20:15, restaurant-food=indian, restaurant-name=tandoori palace, restaurant-pricerange=expensive, train-arriveby=17:15, train-bookpeople=8, train-day=tuesday, train-departure=stevenage, train-destination=cambridge
Response: I have the reservation booked at the restaurant. The reference number is 2YCEETCJ .