You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Timothy Wilson 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: Sure.

USER: Thank you.

ASSISTANT: Thanks for waiting.

USER: It's alright.

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.

ASSISTANT: Thank you.