لَبَّيْكَ اللَّهُمَّ لَبَّيْكَ، لَبَّيْكَ لاَ شَرِيْكَ لَكَ لَبَّيْكَ، إِنَّ الْحَمْدَ والنِّعْمَةَ، لَكَ وَالمُلْكَ، لَا شَرِيْكَ لَكَ

Here I am O Allāh, (in response to Your call), here I am. Here I am, You have no partner, here I am. Verily all praise, grace and sovereignty belong to You. You have no partner.

Reference: Here I am O Allāh, (in response to Your call), here I am. Here I am, You have no partner, here I am. Verily all praise, grace and sovereignty belong to You. You have no partner. Al-Bukhārī (#1549, 3/408) and Muslim (#1184, 2/841).