generate response: yes please and make them three tickets. Intent: book_train. Slots: train-arriveby=18:00, train-bookpeople=3, train-day=friday, train-departure=cambridge, train-destination=london liverpool street
Response: Booking was successful, the total fee is 49.8 GBP payable at the station. Reference number is : O2OFXV6A . Is there anything else I can assist you with today?