Messenger of Allah, I intend to perform Hajj, but I am ill. Thereupon Allah's Apostle ﷺ said: Enter Into the state of Ihram on condition that you would abandon it when Allah would detain you.
دَخَلَ النَّبِيُّ ﷺ عَلَى ضُبَاعَةَ بِنْتِ الزُّبَيْرِ بْنِ عَبْدِ الْمُطَّلِبِ فَقَالَتْ يَا رَسُولَ اللَّهِ إِنِّي أُرِيدُ الْحَجَّ وَأَنَا شَاكِيَةٌ فَقَالَ النَّبِيُّ ﷺ حُجِّي وَاشْتَرِطِي أَنَّ مَحِلِّي حَيْثُ حَبَسْتَنِي