You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Myself Gregory Jackson. I need to cancel my reservation, which is done recently. Can you please help me out?

ASSISTANT: Sure, we are here to assist you.

USER: Thank you for considering my request.

ASSISTANT: Please wait a moment. There is no active reservation on your name to cancel.

USER: Not a problem with that, thank you for your valuable time.

ASSISTANT: Thank you for opting us.

USER: Most welcome, thank you for searching.