You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you today?

USER: I am Karen Miller, I want to cancel my recent reservation as I am hospitalized. Please help me out.

ASSISTANT: Sure. Please wait for a moment.

USER: Ok.

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

USER: That's fine, thank you for the information.

ASSISTANT: Thank you.