Is it possible to create more functionality with our bots using javascript? I'd like to be able to make my bots do things like open web pages and initiate timers in between sequenced responses

I want to integrate facebook page messaging bot on a page. and im thinking is there any possiblity through SDK that whenever bot doesn't know any answer to the querry or message by user, we can redirect that query to a live person on page instead of typical "sorry i don not understand the question" reply from bot?