You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your assistance today?

USER: Due to bad weather my conference has been cancelled. Can you please cancel my recent reservation?

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: I am Mary Nelson.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for being on hold. There is no reservation found on your name.

USER: That's not a problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.