<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by Mr. July:
It's a quick means of getting some info - not too helpful, but more information than you otherwise have. My experience is that the res. agents often aren't able to tell you much more.</font>
Res agents can tell exactly how many seats have been sold and how many are available. If a flight is oversold, they can even tell by how many they are oversold. However, they may not wish to reveal that information.
You can tell them you have a space available pass and would like to know what the load is like. That often gets a more helpful response.