Hello.
user
Hello, how can I help you?
assistant
Please change my existing reservation due to some health issues?
user
   Sure, I am here to help you. May I know your name please?
assistant
Sure, I am Thomas Hernandez.
user
Ok, please wait.
assistant
Sure.
user
Thank you for waiting, sorry no reservation found on your name.
assistant
Ok, not an issue.
user
Thank you for reaching us, have a good day.
assistant
Thank you for your information.
user