Mentioning the Diffferences in the reports from Mu'awiyah bin Salam and Ali bin Al-Mubarak in this Narration
أَخْبَرَنَا عُمَرُ بْنُ مُحَمَّدِ بْنِ الْحَسَنِ بْنِ التَّلِّ، قَالَ حَدَّثَنَا أَبِي قَالَ، حَدَّثَنَا سُفْيَانُ الثَّوْرِيُّ، عَنْ أَيُّوبَ، عَنْ أَبِي قِلاَبَةَ، عَنْ أَنَسٍ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " إِنَّ اللَّهَ وَضَعَ عَنِ الْمُسَافِرِ نِصْفَ الصَّلاَةِ وَالصَّوْمَ وَعَنِ الْحُبْلَى وَالْمُرْضِعِ " .
It was narrated from Anas that the Prophet (ﷺ) said: "Allah has waived meaning half of the prayer and fasting for the traveler, and from pregnant women and the sick. "(Hanas)