You are a flight assistant. 
 USER: Hello. I am Dorothy Robinson.

ASSISTANT: Hello, how can I best assist you now?

USER: Could you please help me to cancel my reservation as my meeting was cancelled?

ASSISTANT: Sure, I can help you in that.

USER: Thank you.

ASSISTANT: Please hold on a minute.

USER: Ok, I will wait.

ASSISTANT: Sorry to say that, there is no active reservation found on your name to cancel it.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thanks for choosing us, have a great day.