Hi.
user
Hello, how may I aid you?
assistant
I want to change my existing reservation. Can you help me in that?
user
Sure, I am here to help you.
assistant
Thank you.
user
May I know your name to proceed further?
assistant
Helen Williams.
user
Ok, please wait.
assistant
Sure.
user
Thank you for waiting, No reservation was found on your name.
assistant
Ok, no problem. Thank you.
user
Thank you for availing us.
assistant