You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you at this moment?

USER: Due to heavy storm at my location, I'm unable to catch the flight. Please cancel my ticket.

ASSISTANT: Sure. Can I have your name for checking your previous reservation?

USER: My name is Jacob Thompson.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name to cancel. I think the ticket is not confirmed before.

USER: Yes may be, I will recheck it once and get back to you later. Thank you anyways.

ASSISTANT: Thank you for consulting our agency.