You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I need to cancel due to postpone of sports fest in our college. Could you please help me in doing that?

ASSISTANT: Sure, please wait moment. May I know your name?

USER: I am Dorothy Perez.

ASSISTANT: Sorry, there is no reservation found in your name.

USER: No problem, thank you for your information.

ASSISTANT: Thank you.