i need to book a train .
user
where are you departing from , and what is your destination ?
assistant
i am at bishops stortford and would like to go to cambridge .
user
the travel time for that route is 38 minutes . what day would you be traveling ?
assistant
i would like to travel this wednesday and need to leave after 08:15 .
user
there are 8 trains that leave after 8:15 , did you have a specific arrival time in mind ?
assistant
no , anytime after 8:15 is fine . maybe the first train after that time .