nuBudDy 0 Light Poster

hi, im a student and im very new with vb.i am currently doing a project.i want to use calendar to show whether reservation on specific dates have been fully booked or not.i plan to make the date turn red if its fully booked n blue if its not.i've search for solutions from other webs and sources but failed. can anyone please help me start wit this?if u could at least guide me in this,i would be very thankful.thank u