Cook pasta according to package directions, rinse in cold water to cool, drain well.
Transfer to a large salad bowl and add salmon, capers, red onion, chives and dill.
In a small dish whisk together the olive oil, lemon juice, mustard, honey, salt and pepper. Pour dressing over the salad and toss gently to coat. Garnish with chopped chives or scallion tops over and serve. Alternately, scoop into individual dishes add garnish and serve.
Notes
If you choose to cook the pasta in advance and refrigerated it before adding the remaining ingredients, a tablespoon of oil tossed with it will prevent it from clumping together.