Hi.
Hello, how can I aid you for the day?
Owing an emergence, I want to change my existing reservation. Can you help me with it?
Sure. Can I have your name to track your details?
My name is Dorothy Perez.
Ok, please wait Dorothy Perez.
Ok.
Thanks for your time,  no reservation was found based on your name.
Ok, no issues. Thanks for the help.
Thank you for availing us.