heima,
If you don't find any pain or block area, maybe it is not the milk block problem.
Have you tried to let your bb to suck into your breast? it is more efficient to ask him to stimulate the milk duct..
meantime, did you eat something that drops the milk supply?
anyway, during the holiday, feed him directly more.. and when you go back to your office, you will find more milk can be pumped.