You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Nicole Nelson here.

ASSISTANT: How may I aid you?

USER: I want to cancel my reservation today, can you help me?

ASSISTANT: Sure. May I know your name please? Ok, please wait.

USER: My name is Nicole Nelson.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: Oh! That's ok, than you for checking anyways.

ASSISTANT: Thank you.

USER: Most welcome.