i need to find a train out of king s lynn that will arrive by 17:45 .
user
can you please provide me with destination of the train so i can better assist you ?
assistant
cambridge , and it will be on sunday .
user
i have train tr6003 leaving cambridge at 5:11 and arriving at 5:58 on sunday .
assistant
that sounds great . can you book me 4 tickets on that train please ?