I need to find a train from ely to cambridge. What day and time would you like to travel? I would like to leave on Monday. When would you like to arrive in Cambridge on Monday? I really just need to leave after 15:45. The arrival time doesn't really matter. should i book it for you? Yes for 5. All I would need is the reference number. I have booked 5 tickets for you on TR6645. Your reference number is SZYJ90EL . What else can I assist with?