You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Anthony Green.

ASSISTANT: How can I aid you at this moment?

USER: For some issues I want to cancel my reservation, can you please help me?

ASSISTANT: Sure, I will help you with that.

USER: Thanks.

ASSISTANT: Please wait a moment, I will check your reservation status.

USER: Sure.

ASSISTANT: There is no previous reservation available in your name Anthony Green.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for contacting us, have a nice day Anthony Green.