You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may assist you today?

USER: My dance competition program is cancelled for now, so I want to cancel the ticket. Can you please help me?

ASSISTANT: Sure, I will definitely help you.

USER: Thank you for accepting my request.

ASSISTANT: Can I know your name?

USER: My name is Katherine Hall.

ASSISTANT: Sorry to say that, there is no reservation found on your name in our database. Thank you for reaching us.