You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Cynthia Miller here.

ASSISTANT: How may I aid you?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?

ASSISTANT: Sure, I will help you in flight ticket cancellation.

USER: Thank you for accepting my request.

ASSISTANT: Wait for a moment please.

USER: Ok, take your time.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: Oh! I think the ticket was not booked due to server issue. Anyway, thank you for the information.

ASSISTANT: Thank you.