You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you toady?

USER: Due to cancellation of my business meeting, I want to cancel my recent reservation.Can you help me out?

ASSISTANT: Sure, may I know your name please?

USER: Yes, my name is Emma Carter.

ASSISTANT: OK, please wait. I will check and get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting. Sorry, there is no reservation found on your name.

USER: OK, thank you.

ASSISTANT: Thank you and have a nice day.