You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you at this moment?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, I will help you with that. May I know your name please?

USER: Margaret Lee here.

ASSISTANT: Please wait for a while, let me check your previous reservation status.

USER: Ok.

ASSISTANT: Thank you for waiting. There is no active reservation found on your name in our database to cancel.

USER: That's Fine.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Thank you.