You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you for the day?

USER: Myself Carol Williams. I need to cancel my active reservation, can you please help me ?

ASSISTANT: Sure, I will help you with that cancellation. Please hold for a moment, let me check the previous reservation status with your name.

USER: Take your time.

ASSISTANT: Sorry to say, there is no reservation found with your name in our database.

USER: Thank you for helping me.

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