Sahih Bukhari
Pilgrimmage (Hajj)
Volume: 002 / Book Number: 026 / Hadith Number: 641
Narrated Jabir bin 'Abdullah :
We came with Allah's Apostle (to Mecca) and we were saying: 'Labbaika Allahumma Labbaik' for Hajj. Allah's Apostle ordered us to perform 'Umra with that Ihram (instead of Hajj).