You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I assist you?

USER: My name is Jeffrey Parker. I want to cancel my reservation due to health issues.

ASSISTANT: Sure, please wait for a minute I will check with current status and revert you.

USER: Ok.

ASSISTANT: Sorry to inform that there is no reservation found with your name,.

USER: No problem, thanks for your service.

ASSISTANT: Thank you for reaching us.