Hello,.
user
Hello, how may I aid you today?
assistant
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?
user
Ok, please hold a moment, let me check with your reservation and let you know.
assistant
Ok.
user
Thanks for your time, sorry, unfortunately no reservation found with provided name.
assistant
Ok, no issue.
user
Thank you for approaching us, have a great day ahead.
assistant
Thank you for your information.
user