You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Daniel Harris here. I want to cancel my recent reservation due to abnormal weather conditions, can you please help with it?

ASSISTANT: Please hold on a moment.

USER: Ok, sure.

ASSISTANT: Sorry, there is no reservation found on your name to cancel it.

USER: Ok, no problem.

ASSISTANT: Thanks for choosing us.

USER: Thank you.