You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I have planed to visit Dallas due to heavy snowfall, I want to cancel my recent reservation.

ASSISTANT: Sure, may I know your name?

USER: My name is Frank Miller.

ASSISTANT: No reservation found on your name. Thank you for availing us. Have a lovely day.

USER: Thank you for the information.