i would like find some information about a train . specifically , i am looking for details about a train that leaves tuesday after 11:15 .
user
can i get information on where you will be departing from ?
assistant
yes , i'll be departing from london kings cross .
user
the tr7850 leaves london kings cross at 11:17 and arrives in cambridge at 12:08 . would you like to book a ticket ?
assistant
yes please book it for 5 people and give me the reference number .