It is narrated from Sayyidah Umm Salamah (may Allah be pleased with her) that the Prophet (peace and blessings be upon him) said to Duba'ah bint al-Zubayr (may Allah be pleased with her): "Enter ihram for Hajj, and say: 'My place of leaving ihram is wherever You detain me.'"
Hadith Referenceالمعجم الكبير للطبراني / مسند النساء / 19808