You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: Due to health issues, I want to cancel my recent reservation. Can you help me with it?

ASSISTANT: Please hold on.

USER: Ok.

ASSISTANT: May I know your good name please?

USER: My name is Michael Clark.

ASSISTANT: There is no reservation found on your name.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you.