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