i am looking to get a train to cambridge from kings lynn
user
i can certainly help with that . when did you want to travel ?
assistant
depart from kings lynn at 20:30 and leave on sunday .
user
there is a train leaving at 21:11 and it costs 7.84 pounds , would that be good for you ?
assistant
my mistake i need the train to arrive by 02:30 on sunday .
user
there are no trains at that time would you like to try a different time ?
assistant
not doing well , i actually need to arrive cambridge at 20:30 . i should leave on sunday .