Hi, I am Edward Evans.
user
Hello, how may I support you for the day?
assistant
I need to change my recent existing reservation due to postpone of my meeting about a new release of new app. Could you please help me in doing that?
user
Sure, please wait for a  moment, I will refer and revert to you.
assistant
Sure.
user
There is no reservation found on your name.
assistant
No problem, thank you for your information.
user
Thank you for opting us.
assistant