The Messenger of Allah ﷺ said: One should not sit between two men except with their permission.  

أَنَّ رَسُولَ اللَّهِ ﷺ قَالَ لاَ يُجْلَسُ بَيْنَ رَجُلَيْنِ إِلاَّ بِإِذْنِهِمَا  

The Messenger of Allah ﷺ said: It is not lawful for a man to separate two persons except with their permission.  

عَنْ رَسُولِ اللَّهِ ﷺ قَالَ لاَ يَحِلُّ لِرَجُلٍ أَنْ يُفَرِّقَ بَيْنَ اثْنَيْنِ إِلاَّ بِإِذْنِهِمَا