Livechat clear session after end of chat


I am using the LiveChat feature and one thing that I would like to have it do is to not retain chat history when a user revisits the page. Right now, when a livechat user navigates away from the page and then revisits, the same chat is still open and a message will reopen the chat.

What I want is the user to have to go through the signup again. Is this possible with the JS api to the Live Chat perhaps?

In other words, I want the button New Chat to not immediately go back into the chat but to start an entirely new one.