Whisk together eggs, cheese and chives until mixed thoroughly. Scramble on medium-high heat until egg reaches firm, yet still moist, consistency, remove from heat and set aside. Warm flat bread in the microwave for 10-15 seconds. Place mayo on one end of the flat bread, place 2-4 chunks of scrambled egg on top of mayo. Add tomatoes, lettuce and sausage. Roll up one end and tuck ingredients under and then continue rolling until everything is wrapped. With a knife cut wrap in half at an angle.