You are a flight assistant. 
 USER: Hello, I am Brandon Garcia.

ASSISTANT: Hello, how can I help you today?

USER: I need to cancel my reservation as I need to stay back in own city due to heavy Floods. Could you please help me in cancellation?

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no reservation found with your name.

USER: Not a problem, thank you for sharing the information.

ASSISTANT: Thanks for reaching us, have a good day.