generate response: No, I do not have a time preference. Also, can you book that train for 2 passengers?. Intent: book_train. Slots: train-arriveby=21:30, train-bookpeople=2, train-day=friday, train-departure=cambridge, train-destination=birmingham new street
Response: I have booked two tickets for TRAIN ID: TR9678. Reference NFNFM1AU . The fee is 150.19.