You might want to close a request because you've had enough replies, your editor has changed the brief or you've made a mistake / want to clarify your request.
To do this, login to ResponseSource, navigate to 'View my enquiries':
Click the 'Stop' button on the enquiry you want to close:
Once you've clicked 'Stop' any further replies will be blocked and sent an automated message to let the sender know your enquiry is closed.