Hi.
user
Hello, how may I aid you today?
assistant
I need to change my existing reservation, Can you please help me with that?
user
Sure, I am here to help you.
assistant
Thank you.
user
May I know your name please?
assistant
Barbara Baker here.
user
Please wait for a moment.
assistant
Sure.
user
Sorry to inform you that, there is no reservation found as per your name.
assistant
Ok, no problem. Thanks for your information.
user
Thank you for reaching us with a query.
assistant