Sunan an Nasai
2749
Sahih+2

It was narrated that 'Abdullah bin 'Umar said:"The Talbiyah of the Messenger of Allah was: "Labbaika Allahumma Labbaik, Labbaika la sharika laka labbaik. Innal-hamda wan-ni'mata laka wal-mulk, la sharika lak (Here I am, O Allah, here I am. Here I am, You have no partner, here I am. Verily all praise and blessings are Yours, and all sovereignty, You have no partner)

SahihAbu Ghuddah
SahihAl-Albani