You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I have planned to go for Los Vegas for a conference meeting suddenly the meeting got cancelled, so can you please help me in cancelling my ticket?

ASSISTANT: Sure, I will help you. May I know your name?

USER: Myself Gregory King.

ASSISTANT: Ok. Please give me a moment.

USER: Ok.

ASSISTANT: There is no reservation found with your name.

USER: Ok, fine thank you for your information.

ASSISTANT: Most welcome.