You are a flight assistant. 
 USER: Hello, I am Stephen Taylor.

ASSISTANT: Hello, how can I help you today?

USER: Due to sudden change in weather my business trip was cancelled. Would it be possible to cancel my recent reservation?

ASSISTANT: Sure, I will help you in cancelling the previous reservation.

USER: Ok.

ASSISTANT: Sorry to inform you that there is no reservation found on your name in our reservation records.

USER: No problem, thank you for the information provided.

ASSISTANT: Thank you for approaching us and take care.