Sunan an-Nasa'i 2282

It was narrated that Ghalian said:"I went out with Abu Qilabah on a journey and he brought some food. I said: 'I am fasting.' He said: 'The Messenger of Allah went out on a journey and brought some food, and said to a man: Come and eat. He said: I am fasting. He said: Allah has waived for the traveler half of the prayer and fasting when traveling, so come and eat. So I came close and ate