Hello.
user
Hello, how may I help you today?
assistant
I want to change my existing reservation due to some health issue. Can you help me?
user
Sure, I am here to help you.
assistant
Thank you.
user
May I know your name please?
assistant
Yes, I am Samuel Thompson.
user
Sorry to say, that there is no reservation found as per your name to change it.
assistant
Ok, not a problem. Thank you for your information.
user
You are welcome always.
assistant