Go to the main Trading Post page, there you will see all of the trades you are trying to make, and also you will see a button labeled "Create A New Trade". Click this button and follow the directions to create a new trade.
Go to the main Trading Post page, there you will see all of the trades you are trying to make, and also you will see a button labeled "Create A New Trade". Click this button and follow the directions to create a new trade.