i am looking for a train .
user
i would be happy to help you with that . can you tell me your departure location and where you are headed to ?
assistant
i am looking to go to london kings cross and depart from cambridge .
user
there are 70 trains making that trip , do you have a day or time ?
assistant
i'll be leaving on friday after 12:45 .
user
the tr3685 leaves just 15 minutes later , at 13:00 .
assistant
that sounds great . i'll get back to you when i decide on the booking . have a nice day . bye .