<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by ozstamps:
I asked ual.com yesterday for price of 'C' SYD-AMS and got told "no flights".
Changed dates. "No flights." 
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I had exactly the same problem. Maybe it has somthing to do with and overnight in LAX for the direct flight LAX-AMS since SYD-LAX arrives after LAX-AMS has already departed?