You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, I will help you. May I know your name?

USER: Sure, I am Stephanie Evans.

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

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.