You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I just want to cancel my recent reservation, as my NBA play offs match has been cancelled. Can you aid me with cancellation?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know on which name the ticket was reserved?

USER: Sure, you can check my reservation on the name of Nancy Moore.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Sorry we could not find any reservation with your name.

USER: Ok, thank you.

ASSISTANT: Thank you for availing us.