Most travel agents on long-distance, well travelled routes work through consolidators. These consolidators buy tickets (or promise to buy tickets) in bulk far in advance, and then re-sell them later. This is what I've heard about segments like USA <-> India.
Most travel agents on long-distance, well travelled routes work through consolidators. These consolidators buy tickets (or promise to buy tickets) in bulk far in advance, and then re-sell them later. This is what I've heard about segments like USA <-> India.