Sayyidah Aishah (may Allah be pleased with her) said: We set out with the Messenger of Allah (peace and blessings be upon him), mentioning neither Hajj nor Umrah.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 8993
Sayyiduna Jabir bin Abdullah (may Allah be pleased with them both), in the account of the Hajj of the Prophet (peace and blessings be upon him), said that he (peace and blessings be upon him) said the talbiyah of tawhid (the Oneness of Allah), and the people too said this talbiyah that they say, and the Messenger of Allah (peace and blessings be upon him) did not forbid them, and he kept to his own talbiyah. Sayyiduna Jabir (may Allah be pleased with him) said: We intended nothing but Hajj; we did not know of Umrah.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 8994
Jabir bin Abdullah (may Allah be pleased with them both) said that the Messenger of Allah (peace and blessings be upon him) never named Hajj or Umrah in his talbiyah.
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 8995
Ibn Umar (may Allah be pleased with them both) heard a man saying: "Labbayka bi-hajjah" (Here I am, for Hajj), so he struck him on his chest and said: Are you informing Allah of what is in your heart?
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحج / 8996