Peel cucumbers and slice thinly. Place slices in mixing bowl. Measure 1/4 cup of yoghurt and leave in measuring cup. Peel 1/2 clove garlic and crush well in garlic press. Stir garlic and yoghurt together.
Sprinkle salt and pepper on cucumbers. Toss cucumbers in salad bowl and sprinkle with 2 tablespoons chopped chives and one tablespoon dried mint. Salt and pepper to taste. Serve cold.