Hello,.
Hello, how may I aid you today?
I am John Garcia. I would like to change my existing reservation due to my scheduled examination dates has been postponed. Could you please help me in changing my reservation?
Ok, please hold a moment, let me check with your reservation and let you know.
Ok.
Thanks for your time, sorry, unfortunately no reservation found with provided name.
Ok, no issue.
Thank you for approaching us, have a great day ahead.