Hi, I am Ruth Jackson.
Hello, how may I be of your help?
I want to change an existing reservation due to my interview got post pone. Can you help me in changing an existing reservation?
Sure, please wait a minute. I will check and get back to you.
Ok.
Thank you for your time. Unfortunately there is no reservation found matching your name.
That's ok, thanks for your information.
Thank you for availing us.