You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you at this moment?

USER: due to some client meeting, I am willing to cancel my reservation. Can you please help me for this?

ASSISTANT: Sure, we are here to help you. May I know your good name?

USER: Myself Karen Martinez.

ASSISTANT: Ok, please wait for a minute.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting, there is no active reservation found on your name to cancel it.

USER: Not a big deal, anyhow thank you very much for your information.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.