(17) باب التَّخْيِيرِ فِي الصَّوْمِ وَالْفِطْرِ فِي السَّفَرِ
This hadith has been narrated on the authority of Hisham with the same chain of transmitters that Hamza said:
I am a person much used to fasting. Should I fast during the journey? (The rest of the hadith is the same.)
Reference: Sahih Muslim 1121 d
In-book reference: Book 13, Hadith 134
USC-MSA web (English) reference(deprecated numbering scheme): Book 6, Hadith 2490