Originally Posted by
RobertS975
You are a PM so there is always the possibility of an operational upgrade if the flight is full in coach. Discreetly tell the GA that you are a PM in search of an operational upgrade should the opportunity present itself.
As
RobertS975 said, make yourself a candidate for the op-up. Present yourself professionally and appropriately dressed, and discretely note that you are traveling alone and willing to move up if needed.