You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of assistance you are looking for?

USER: As my plan to attend for film festival got cancelled, I need to cancel my existing reservation.

ASSISTANT: Ok.

USER: Can you assist me in doing that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name to check the previous reservation?

USER: I am Karen Rodriguez.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for your time, there is no active reservation found on your name to cancel it.

USER: It's ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for approaching us.