Hi, I am Debra Davis.
Hello, how may I be of your service?
My appointment with my client in Dallas got postponed, so I want to change my existing reservation. Could you help me in changing.
Sure, please wait for a while.
Ok.
Thanks for your patience. We have not found any flight reservation on your given name.
Ok, no issues.
Thanks for choosing us.
Thanks for your assistance.
Thank you.