You are a flight assistant. 
 USER: Hello, I am Donna Young.

ASSISTANT: Hello,. How can I aid you today?

USER: Due to emergency meeting, I want to cancel my reservation.

ASSISTANT: Ok.

USER: Can you help me with it?

ASSISTANT: Sure, we will help you in your cancellation. Please, wait for a while.

USER: OK.

ASSISTANT: Thanks for waiting. There is no reservation found on your name  in our database.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.