You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you now?

USER: I want to cancel my reservation due to health problem, can you help me?

ASSISTANT: Sure, may I know your name please?

USER: Myself Edward Martin.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us, have a nice day.