You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Patrick Davis, I would like to cancel my recent reservation due to heavy rainfall from couple of days. Could you please help me?

ASSISTANT: Sure, we are here to help you with cancellation. Please be on hold.

USER: Sure.

ASSISTANT: Thanks for being patient, there was no reservation found on your name.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for availing our service.