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It is possible to queue a number of trades for each of your transport ships. While this number is very limited by default, there is software available that can increase the limit number of trades that can be queued for each of your trading ships.
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It is possible, however, to get a trader in a station to work for you as a trade agent, sending you updated information. To do this, you have to dock at a station and get to know the inhabitants of that station better by engaging in some small talk. When you successfully defend a station, the station's manager will, on occasion, contact you and voluntarily offer to send you trade updates, acting as your trade agent at that station.
Inventory Ware Trading
Inventory wares are small items that can be carried in your ship. Trade in these items is always on a per-item basis.
Inventory Ware Trading can be initiated by contacting one of many Inventory Traders. Such trade can be done remotely, via the Comm Link (see section on Interaction for more details), or face-to-face after docking at a station.