Dua for one afflicted by a calamity

إِنَّا لِلّٰهِ وَإِنَّا إِلَيْهِ رَاجِعُوْنَ، اَللّٰهُمَّ أَجُرْنِيْ فِيْ مُصِيْبَتِيْ، وَأَخْلِفْ لِيْ خَيْرًا مِّنْهَا

We are from Allah and unto Him we return. O Allah take me out of my plight and bring to me after it something better.

Innaa lillaahi wa 'innaa 'ilayhi raaji'oon, Allaahumma'-jurni fee museebatee wa 'akhliflee khayran minhaa.