Bot - onSelectAction: trigger new dialog without clearing stack

gistfile1.txt

bot.dialog('help', function (session, args, next) {
    session.endDialog("I'm a virtual assistant that can help decide whether or not you require planning permission for a loft. <br/>Please say 'ok' to continue");
})
.triggerAction({
    matches: /^help$/i,
    onSelectAction: (session, args, next) => {
        // Add the help dialog to the dialog stack 
        // (override the default behavior of replacing the stack)
        session.beginDialog(args.action, args);
    }
});