You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, I am oblige to help you with that.

USER: Thank you.

ASSISTANT: Please provide your name to check your previous reservation.

USER: Justin Perez.

ASSISTANT: Please wait a moment.

USER: Sure.

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

USER: No issues, thank you for checking.

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