You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Please cancel my recent reservation due to some health issues?

ASSISTANT: Sure, I am here to help you. May I know your name?

USER: Sure, I am Jonathan Lewis.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: There is no reservation found under your name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for choosing us.