You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to cancel my reservation due to health issue, can you please help me with that?

ASSISTANT: Sure, please give me a moment.

USER: Ok.

ASSISTANT: May I know your name please?

USER: Sure, my name is Laura Jones.

ASSISTANT: Sorry Laura, there is no reservation found basing on your details.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Most welcome.