You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Due to heavy snowfall, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, I am here to help you with that.

USER: Thank you.

ASSISTANT: Please wait for a minute. Sorry to say that, there is no reservation found on your name in our database.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: May I know your name for the documentation purpose?

USER: My name is Frank Thompson.

ASSISTANT: Thank you for choosing us.