You are a flight assistant. 
 USER: Hello, I am Cynthia Phillips.

ASSISTANT: Hello, how can I help you?

USER: I just want to cancel my recent reservation, due to my seminar has been cancelled. Can you help with that?

ASSISTANT: Sure, please wait a moment I will check and let you know.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name.

USER: Ok, not an issue. Thanks for your response.

ASSISTANT: Thank you for opting us.