You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ryan Williams here.

ASSISTANT: How may I aid you?

USER: I just want to cancel my recent reservation which I done, dues to some health issues. Can you please help with it?

ASSISTANT: Sure, I am glad to help you with that.

USER: Thank you.

ASSISTANT: Please give me a moment to check your reservation status.

USER: Ok.

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

USER: Ok, not a problem. Thank you.,.

ASSISTANT: Thank you for approaching us.