You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brenda Wilson.

ASSISTANT: How can I help you Brenda Wilson?

USER: Due to severe weather changes, I am not feeling well. So, can you please cancel my reservation?

ASSISTANT: Sure, wait a moment please.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found with your name.

USER: That's ok.

ASSISTANT: Thank you and have a great day.

USER: Thank you for your service.