i am looking for a train departing london kings cross going to cambridge .
user
okay ! when would you like the train to depart ?
assistant
i want the train to leave after 11:00 on thursday .
user
tr4216 leaves at 11:17 and arrives in cambridge by 12:08 , would you like me to book you tickets for that 1 ?
assistant
what is the travel time for that ride ?