You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER:  I am Michael Thompson want to cancel my reservation due to bad weather condition. Can you help me in cancelling?

ASSISTANT: Sure, please hold on a minute.

USER: Ok.

ASSISTANT: Sorry, there is no reservation on your name in our database.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.