Sahih Bukhari Volume 2, Book 26, Hadith Number 621.

Narated By ‘Abdullah bin ‘Umar  : The Talbiya of Allah’s Apostle was : ‘Labbaika Allahumma labbaik, Labbaika la sharika Laka labbaik, Inna-l-hamda wan-ni’mata Laka walmu Lk, La sharika Laka’ (I respond to Your call O Allah, I respond to Your call, and I am obedient to Your orders, You have no partner, I respond to Your call All the praises and blessings are for You, All the sovereignty is for You, And You have no partners with you.