Hello.
user
Hello, how may I aid you?
assistant
I want to change an existing reservation, Can you please help me in that?
user
Sure, I am here to help you. May I know your name to proceed?
assistant
My name is Angela Lewis.
user
Please wait for a moment.
assistant
Sure.
user
Sorry to say, no reservation found on your name.
assistant
Ok, that's not a problem. Thanks for your information.
user
Thank you for reaching us.
assistant