Preheat air fryer to 350degrees. Spritz basket with cooking spray. Cut tomato into eight slices, about 1/4 in. thick each. Sprinkle tomato slices with salt and pepper. Place egg, flour and bread crumbs in separate shallow bowls. Dip tomato slices in flour, shaking off excess, then dip into egg, and finally into bread crumb mixture, patting to help adhere., Working in batches as needed, place tomato slices in air fryer basket in a single layer; spritz with cooking spray. Cook until golden brown, 8-12 minutes turning halfway, spritzing with additional cooking spray. Remove and keep warm; repeat with remaining tomato slices., Meanwhile, mix mayonnaise, green onions and dill. Layer each of four slices of bread with two bacon strips, one lettuce leaf and two tomato slices. Spread mayonnaise mixture over remaining slices of bread; place over top. Serve immediately.