You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Karen Rodriguez. Can you please check any active reservation with the given name? If you find any reservation please go with the cancellation.

ASSISTANT: Sure, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, we are sorry to say that no active reservation was found on your name.

USER: No problem, I think it has been cancelled by my brother.

ASSISTANT: Thank you for consulting us.

USER: Any way thanks for your effort.