Hello.
Hello, how may I help you at this moment?
I am Ronald Williams. My scheduled examination dates has been postponed, could you please help me with changing my recent reservation?
Sure, I will help you. Please wait for a moment.
Sure, take your time.
Sorry, there is no reservation existing on your name.
That's ok, not an issue. Anyways, thank you for the information.
You are welcome, have a nice day.