I need a train into cambridge on wednesday, please.
I can certainly find one for you. Can you tell me where you will be departing from?
Sure.  I'm leaving from Cambridge.
You're leaving from cambridge going to cambridge?
No. I need to leave from leicester and arrive in cambridge. I also need to arrive by 10:15.
TR7703 will depart leicester Wednesday at 8:09, arriving in cambridge by 9:54, would you like to book a ticket?
Yes I would like to book a ticket on TR7703 for Wednesday morning, thank you.
Booking was successful, the total fee is 37.79 GBP payable at the station. Reference number is : KW6ZO219. Is there anything else I can help with?
Okay great. Thank you for your help.
Okay great. I am glad I could be of help!