i am looking for a train from stevenage for a trip to cambridge .
user
there are several trains to your specification -s . what day and time would you like to leave ?
assistant
i need to leave on wednesday after 10:45
user
the earliest train that meets your needs is tr6473 , leaving at 11:54 and arriving in cambridge at 12:43 . would you like to book passage on that train ?
assistant
yes i would . there are 3 of us traveling . could we get a private area on the train ?