This is the link for Visitor :- http://soft12.bdtask.com/chatbot/login
As a visitor to continue conversation, need to select department and fill the name & mobile number input fileds, then click on continue button. Then visitor can see available person to online in which department he/she selected. After that visitor can continue conversation.
*** Note : If the department person is in offline still visitor or user can ask any questions and get the asnwers, because of this is an AI (Artifficial Intelligent) Chatbot.