You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ryan Moore here.

ASSISTANT: How can I  help you?

USER: I want to cancel my recent reservation, as my health is not good. Can you please help me out with it?

ASSISTANT: Just a moment please.

USER: Ok, sure.

ASSISTANT: I am sorry no reservation found on your name.

USER: Ok, not a problem. Thanks for the information.

ASSISTANT: Thank you for choosing us.