i am looking for a train departing from london kings cross
user
sure . where are you going ?
assistant
i would like to go to cambridge , after 11:15
user
okay , and what day do you want to make the trip ?
assistant
i want to leave on monday .
user
great , tr5720 from london kings cross to cambridge leaves monday at 11:17 . can i book this for you ?
assistant
actually , can i have the price , and the travel time please ?