"Ibn 'Umar did not offer more than two rak'ahs when traveling, and he did not offer any prayer before or after that. It was said to him: 'What is this?' He said: 'This is what I saw the Messenger of Allah ﷺ doing.'" (Using translation from Nasāʾī 1457)
«هَكَذَا رَأَيْتُ رَسُولَ اللهِ ﷺ يَصْنَعُ»