Hello.
user
Hello, how can I provide assistance to you?
assistant
My name is Patricia King. I want to change my existing reservation due to postpone of client meeting.
user
Sure, I will help you. Please wait for a while.
assistant
Sure.
user
Thank you for waiting, we are sorry to say that no reservation was found in our database on your name.
assistant
No issue, thank you for your service.
user
Thanks for your approach.
assistant