generate response: Yes, please book for 1 person the train that departs at 17:50.. Intent: book_train. Slots: train-arriveby=18:30, train-bookpeople=1, train-day=friday, train-departure=cambridge, train-destination=ely
Response: Booking was successful for TR9933, the total fee is 4.4 GBP payable at the station. Reference number is : P4U5T2N6 .