You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, may I know your good name?

USER: Myself Donald Wilson.

ASSISTANT: Please wait for a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

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

ASSISTANT: Thank you for reaching us.