\documentclass{article}
\usepackage[margin=2cm]{geometry}
\usepackage{flowfram}
\usepackage{microtype}

\usepackage{ptext}

\usepackage{xepersian}
\settextfont{Yas}


\newflowframe[1-5]
{0.60\textwidth}{\textheight}
{0pt}{0pt}[leftcolumn]

\newflowframe[1-5]{0.30\textwidth}{\textheight}
{0.65\textwidth}{0pt}[rightcolumn]

\begin{document}
\ptext[1-7]
\newpage 
\ptext[8-10]
\newpage
\ptext[11-14]
\end{document}