´It was narrated that Qatadah said:` "I heard Muas- bin Salamah-say: 'I said to Ibn 'Abbas: How should I pray in Makkah if I do not pray in congregation? He said: Two rak'ahs, the sunnah of Abu Al-Qasim.'"
Hadith ReferenceSunan an-Nasa'i / The Book of Shortening the Prayer When Traveling / Hadith: 1444
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:صحيح مسلم