You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I support you today?

USER: Can you please cancel my reservation as the conference which I want to attend got cancelled?

ASSISTANT: Sure, we are here to help you with cancellation. May I know your name?

USER: My  name is Lisa Lewis.

ASSISTANT: Ok, please wait for a while, to check the reservation on your name.

USER: Sure.

ASSISTANT: Thanks for waiting, there was no reservation found on your specified name.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for connecting with us.