You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I need to cancel my reservation as I am not feeling well. Can you help me with that?

ASSISTANT: Sure, may I know your name?

USER: Yes, I am Patrick Wilson.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for reaching us.