Python 3, Chars: 203
The output format seems a bit hard to fit.
import sys
L=[i.split()for i in sys.stdin]
N,P=L[0][0],print
for c in L[-1]and L[-1][-1]:
if N:O,N=N,{(i[0],i[1]):i[2]for i in L[1:-1]}.get((N,c),'');P(O,c,N and'-> '+N)
P(('REJECT','ACCEPT')[''
