Hi.
user
Hello, how may I aid you today?
assistant
I am Katherine Baker. I need to change my existing reservation, Can you please help me with that?
user
Sure, we are here to help you.
assistant
Thank you.
user
Please hold a moment. Thank you for your time, unfortunately no reservation found with provided name.
assistant
Ok, no problem. Thanks for your information.
user
Thank you for approaching us.
assistant