You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, I can help you.

USER: I have confirmed my flight ticket with name Jack Parker.

ASSISTANT: May I know your name to find your reservation in our database to cancel it? Ok, there is no reservation found under your name to cancel it.

USER: Ok, fine. Thank you for informing me.

ASSISTANT: Thanks for contacting us.