You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide assistance for you?

USER: Due to weather condition my business trip has been cancelled. Can you please help me for cancelling the recent reservation?

ASSISTANT: Sure, may I know your name to check the details of your reservation?

USER: Sure, my name is Ronald Collins.

ASSISTANT: Sorry Collins, I did not found any reservation on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us. Have a nice day.

USER: Thank you for your information.