Hello, myself Ronald King.
Hello, how may I oblige you today?
I would like to change my flight reservation as my trip got postponed, can you please do that for me?
Sure, we are here to help you.
Thank you.
Please wait for a while.
Sure.
Sorry we couldn't find any reservation with your name.
That's fine. Anyway, thank you for the information.
Thank you for availing us.