generate response: Please, book for 7 people at 20:30 pm on Saturday. I need the reference number.. Intent: book_train. Slots: restaurant-bookday=saturday, restaurant-bookpeople=7, restaurant-booktime=20:30, restaurant-food=italian, restaurant-name=pizza express, restaurant-pricerange=moderate, train-arriveby=17:15, train-bookpeople=7, train-day=saturday, train-departure=london liverpool street, train-destination=cambridge
Response: Booking was successful, Pizza Express. The table will be reserved for 15 minutes. Reference number is : O1R61V06 . Is there anything else I can assist you with today?