You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recent reservation due to my seminar got cancelled.

ASSISTANT: Sure, we are here to help you. May I know your good name?

USER: I am Cynthia Robinson.

ASSISTANT: No reservation found with your name.

USER: Ok.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your service.

ASSISTANT: Have a great day.