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