It wasnarrated that 'Umar said:
"The prayer while traveling is twoRak'ah, and Friday is two Rak'ah, and 'Eid is two Rak'ah.They arecomplete and are not shortened, as told by Muhammad (ﷺ)." (RU)
English reference (RU): Vol. 1, Book 5, Hadith 1063 (RU)
Arabic reference (RU): Book 5, Hadith 1116 (RU)