You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Paul Mitchell.

ASSISTANT: Ok.

USER: I want to cancel my recent reservation due to heavy rain fall. Can you please help me with this?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Sorry Paul Mitchell, no reservation found on your name in our reservation list.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for choosing us, have a nice day.