Task-oriented dialogue about: train

i am looking for a train that will arrive at 20:45 and leaving on sunday
Certainly, where are you traveling from?
Cambridge, and I need it go to Bishops Stortford.
There are several trains that will get you there on time. What time do you hope to leave?
I don't care. I just want to arrive at 20:45.
ask for one option below trainID departure destination day leaveAt arriveBy price duration book (optional) TR6572 cambridge bishops stortford sunday 05:29 06:07 8.08 pounds 38 minutes TR8095 cambridge bishops stortford sunday 07:29 08:07 8.08 pounds 38 minutes TR9904 cambridge bishops stortford sunday 09:29 10:07 8.08 pounds 38 minutes TR0007 cambridge bishops stortford sunday 11:29 12:07 8.08 pounds 38 minutes TR2402 cambridge bishops stortford sunday 13:29 14:07 8.08 pounds 38 minutes
Can I please speak with the manager? Giving me all this information at once is not helpful.
I'm sorry. Train TR9904 runs from Cambridge to Bishops Stortford on Sunday and arrives at 10:07. Will that work for you?
Yes, could you please give me the travel time, and departure time?
TR9904 leaves at 09:29 and takes 38 minutes.
Thanks, that is all I need. good bye.
thanks for inquiring with us and have a great day