Sahih Al Bukhari Hadith Number 1550

Narrated `Aisha: I know how the Prophet (peace be upon him) used to say (Talbiya) and it was: ‘Labbaika Allahumma Labbaik, Labbaika la sharika Laka labbaik, Inna-l-hamda wan-ni’mata Laka walmu Lk, La sharika Laka’.

25  Hajj (Pilgrimage)
Hadith number 1550
Volume no 2
Chapter: 26 (The Talbiya)