You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I have made an earlier reservation to attend for a seminar, due to some issues my seminar has been cancelled. Can you help me with cancellation?

ASSISTANT: Sure, May I know your name?

USER: Ok, you can check my reservation on the name of Richard Scott.

ASSISTANT: Please wait a second.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for availing us.