Smoked salmon with salad

INGREDIENTS

• 2 tablespoons reduced-fat mayonnaise
• 1 tablespoon white-wine vinegar
• 1 teaspoon lemon juice
• 1 teaspoon Worcestershire sauce
• 1 teaspoon Dijon mustard
• 1/2 teaspoon dried dill
• 1/4 teaspoon freshly ground pepper
• 6 cups mixed salad greens
• 1/2 small cucumber, halved, seeded and thinly sliced
• 12 small cherry or grape tomatoes, halved
• Onions
• Avocado
•  smoked salmon, cut into 2-inch pieces