You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I want to cancel my reservation due to heavy rains at my destination place, so please help me.

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can I know your name to check your previous reservation?

USER: Sure, I am Brandon Robinson.

ASSISTANT: Please hold on a moment.

USER: Sure.

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

USER: No worries, thank you.

ASSISTANT: Thank you for reaching us, have a great day.