You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, I am here to help you out. Please allow me a moment.

USER: Thank you, take your time.

ASSISTANT: Sorry  Kimberly Nelson, there is no reservation on your name in our database.

USER: Oh! I think the ticket was not booked due to server issue.

ASSISTANT: Thank you for reaching us.

USER: Anyway, thank you for the information.