Hello.
Hello, how can I oblige you today?
Brandon Young  here. Can you change my flight ticket reservation? As my travel dates for a business trip to Chicago has been changed.
Sure, we are glad to help you to change your reservation.
Ok.
Please wait for a couple of minutes.
Sure, I will wait.
Thanks for waiting, there was no reservation found on your name to change it.
Ok, that is not a problem. Thank you.
Thank you for availing us.