Hello.
user
Hello, do you need any help from us?
assistant
I am Ronald Hill. I am planning to change an existing reservation, due to health issue.
user
I understand your request and will be happy to help you.
assistant
Can you please change my reservation? Thank you.
user
Sorry, there is no reservation matching with your name in our portal to make changes further.
assistant
That's fine. Thank you for your help.
user
My pleasure. If any questions arise, please feel free to contact us at any time.
assistant