Hi,. I am Joseph Hill.
user
Hello, how can I help you today?
assistant
I need to change my existing reservation due to some health problem.
user
Sure, we are here to help you.
assistant
Thank you.
user
Please wait a moment.
assistant
Sure.
user
Sorry to say, no reservation found with your name.
assistant
Ok, no problem. Thanks for kind information.
user
Thanks for reaching us.
assistant