You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to cancel my reservation due to some health issues, so please help me.

ASSISTANT: Yes, I can help you.

USER: Thank you for accepting my request.

ASSISTANT: Can you share me your name for checking?

USER: Sure, I am Ruth Young.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.