The Messenger of Allah ﷺ said, "When it is the day of fasting for any of you, let him not speak indecently or raise his voice in argument that day. If someone insults him or tries to fight him, let him say, 'I am a man who is fasting.'"
حدثنا روح قال أخبرني عطاء عن أبي صالح الزيات أنه سمع
قال رسول الله ﷺ إذا كان يوم صوم أحدكم فلا يرفث يومئذ ولا يصخب فإن سابه أحد أو قاتله أحد فليقل إني امرؤ صائم
Its isnad is sahih. It previously appeared at 10378 under Abu Hurairah, and it fits better with his musnad, so there is no clear reason for it to be included under Ayesha.