You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: Myself Brain Jones. I need to cancel my recent reservation, can you please help me?

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

USER: Thank you for your kind response.

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

USER: That's ok, thank you for searching details.

ASSISTANT: Thank you for reaching us, have a great day.