Hello, myself Andrew Wright.
user
Hello Andrew, how may I help you?
assistant
I want to change my origin airport code in my existing reservation, could you mind help me in changing?
user
I will do that for you, let me check your reservation status in our database.
assistant
Ok, take your time.
user
Andrew, I have not found any reservation on your name in our database.
assistant
It's ok, thank you for the information.
user
You are welcome and thank you for approaching us.
assistant