You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to cancel my recent reservation due to cancel of my seminar.

ASSISTANT: Sure, we are here to help you.

USER: Can you please help me?

ASSISTANT: Sure. May I know your good name please?

USER: I am Karen King.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there is no active reservation found in your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.