i need a train to cambridge that will arrive by 18:03 and leaving on friday .
user
we have many trains going to cambridge , where are you departing from ?
assistant
depart from cambridge and go to stansted airport
user
the closest train meeting you requirement -s will arrive in stansted at 17:08 . would you like me to book that for you ?
assistant
that works . may i get the departure time , travel time , and price for that as well ?