You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you for the day?

USER: I want to cancel my recent reservation due to some personal problem. Can you help me?

ASSISTANT: Sure, I will help you with that cancellation.

USER: Thank you.

ASSISTANT: Please hold for a moment, let me check your previous reservation status.

USER: Sure.

ASSISTANT: May I know your name please?

USER: Sure, I am Jessica Brown.

ASSISTANT: Sorry to tell you, there is no reservation found under your name in our database to cancel it.

USER: That's ok, no problem.

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

USER: Thank you for your help.