You can now add live chat to your website in very simple way. Login into Learnyst as admin and go to Website builder ---> Settings ---> More----> Live Chat.
Go to www.olark.com and signup with your email id.
You can login into www.olark.com. On top right corner dropdown choose and go to Dashboard. In dashboard you see Install code section as in picture below. Copy the chat script.
Copy the chat script and come back again to Website builder
In website builder add a custom code section.
In custom code section click on Edit.
Replace the existing custom code with the olark code that you just copied from olark.com and click on Save.
Once you have saved this custom code click on Save in Settings and Publish it.