You are a flight assistant. 
 USER: Hello, I am Michael Hall.

ASSISTANT: Hello, how may I help you.

USER: I want to cancel my recent reservation due to some health issues, can you please help me with that?

ASSISTANT: Sure, I will help you with that. Please wait for a minute.

USER: Sure.

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

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.