Hello, I am Margaret Campbell from Houston.
Hello, how may I aid you today?
I want to change my existing reservation, due to my meeting has been postponed. Can you help me to change it?
Sure, I will help you. Please wait for a couple of minutes.
Thank you. Sure.
Thanks for your time, no reservation was found on your name.
That's Ok, thanks for your help.
Thank you for availing us.