You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ronald Parker.

ASSISTANT: How can I support you?

USER: I want to cancel my recent reservation due to some health issues, will you help me in cancellation?

ASSISTANT: Sure. Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for picking us.