You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Charles White here.

ASSISTANT: How may I help you?

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

ASSISTANT: Yes, please I will help you with the cancel of flight ticket .

USER: Thank you for that.

ASSISTANT: Please wait for a minute while I am checking you flight reservation status.

USER: Ok, take your time.

ASSISTANT: Sorry to say that there is no flight reservation on your name to cancel it.

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

ASSISTANT: Thank you.

USER: Anyway, thank you for the information.