i am traveling to cambridge and i was hoping you could find me a train on tuesday that arrives by 13:30 .
user
where would you be departing from ?
assistant
i am leaving from stevenage
user
there is a train departing stevenage on tuesday that arrives in cambridge by 12:43 . would you like me to book that for you ?
assistant
when is the departure time ?
user
it leaves at 11:54 . is there anything else ?
assistant
yes , can you book that for me and send me a reference number ?