You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: How may I help you at this minute? Sure, I am here to help you with that. May I know your name?

USER: I am Kathleen Johnson.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: We are regret to say that, there is no reservation found on your name in our records.

USER: Ok, no problem.

ASSISTANT: Thank you for consulting us.

USER: Thank you for your information.