Hi. Myself Lisa Mitchell.
user
Hello, how may I guide you? Yes Lisa, what is your request?
assistant
My son is giving a presentation on international competition, but due to some sudden changes, I want to change my existing reservation. Can you please help me?
user
That's great, pleas wait for a moment.
assistant
Ok.
user
Sorry Lisa, there is no reservation on your name.
assistant
It's ok. Thank you for the information.
user
Thank you for contacting us.
assistant