You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Myself Lisa Moore. Can you please help me with cancelling my reservation due to my planned event got cancelled?

ASSISTANT: Sure, please wait for a moment. I have searched online but I could not find your flight reservation to cancel it.

USER: Oh! It may not be booked due to server issues. Anyway, thank you for your time.

ASSISTANT: Ok, thanks for reaching to us.