You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Patrick Hernandez here.

ASSISTANT: Ok.

USER: I need to cancel my recent reservation because my health is not good.

ASSISTANT: Sure, will you please give me a moment?

USER: Sure, take your own time.

ASSISTANT: Thanks for waiting, there is no reservation found under your name.

USER: That's ok, no problem. Thank you for giving information.

ASSISTANT: Welcome, have a great day.