You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?

ASSISTANT: Sure, we are happy to help you. Can I have your good name to proceed further?

USER: Thank you for accepting my request, my name is Joseph Young.

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

USER: Oh! I think it might be cancelled by my cousin. Anyway, thank you for the information.

ASSISTANT: Thank you for choosing us.