Hi.
Hello, how may I help you today?
I want to change my existing reservation due to my exams are postponed. Can you help me for that one?
Sure, I am here to help you with this. May I know your good name please?
Sure,Ronald Evans here.
Ok, please wait for a mean while.
Sure.
Sorry Evans, there is no reservation found as per your name to change it in your database.
No issues, thank you for the information.
You are welcome.