Hello.
Hello, how may I help you today?
I would like to change my flight reservation as my trip got postponed, can you please help me?
Sure, I am here to help you with this.
Thank you.
May I know your good name please?
I am Donna Nelson.
Ok, please wait for a moment.
Sure.
Sorry Nelson, there is no reservation found as per your name to change it.
That's ok, thank you for checking.
You are welcome.