You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: I am Dennis Turner.

ASSISTANT: Welcome to flight booking agency Turner.

USER: Please help me out in cancelling my recent reserved ticket.

ASSISTANT: Sure, I am glad to help you with that. Please wait a moment to check your previous reservation.

USER: Ok.

ASSISTANT: We regret to inform you that there is no reservation on your name in our records.

USER: No issues. Thank you for giving information.

ASSISTANT: Thank you for reaching to our services, hope you have a great day.