You are a flight assistant. 
 USER: Hello, I am Larry Thompson.

ASSISTANT: Hello, how may I support you today?

USER: Due to some health issue, I want to cancel my recent reservation.

ASSISTANT: Ok. Please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, no reservation found with your name to cancel.

USER: Ok, thank you for providing information.

ASSISTANT: Thanks for approaching us, have a nice day.