You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can serve you at this moment?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you very much for quick access.

ASSISTANT: May I know your name please?

USER: Myself Paul Green.

ASSISTANT: Ok, please be on hold.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, we could not find any reservation with your respective name.

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

ASSISTANT: Thank you for availing us.