hi , can you help me with a train for my upcoming trip ?
user
absolutely ! where are you leaving from ? and where are you headed ?
assistant
i am departing from cambridge and going to broxbourne .
user
what day and time would you like to travel ?
assistant
i would like to leave on monday and arrive as close to 20:30 as possible .
user
the closes arrival time to 20:30 would be train tr4655 that arrives in broxbourne at 20:21 . would you like me to book you a seat ?
assistant
no , thanks . i just need the travel time and departure time .