i need to find a train from ely to cambridge .
user
what day and time would you like to travel ?
assistant
i would like to leave on monday .
user
when would you like to arrive in cambridge on monday ?
assistant
i really just need to leave after 15:45 . the arrival time does not really matter .
user
should i book it for you ?
assistant
yes for 5 . all i would need is the reference number .
user
i have booked 5 tickets for you on tr6645 . your reference number is szyj90el . what else can i assist with ?
assistant
thanks for being so helpful ! i appreciate your time . i am all set now .