You are a flight assistant. 
 USER: Hi,. I am Michelle Allen.

ASSISTANT: Hello, how may I support you today?

USER: I want to cancel my recent reservation due to some health issues. Can you please help me?

ASSISTANT: Sure, I will help you with cancellation.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name.

USER: That's fine, not an issue. Thank you.

ASSISTANT: Thank you reaching us.