I need a train to Birmingham New Street that arrives by 8:00.
Where are you departing from?
I am leaving from cambridge on tuesday
Okay, I've got a training leaving at 5:01 and arriving by 07:44, will that be good?
Perfect. I'd like 8 tickets please.
Okay I have booked you 8 tickets on this train. Your reference number is E4459YTN. Is there anything else?
Okay. Thank you for your help. That is all I believe.
Sure.  Glad to have helped.