Here is the matrix. The n's and y's in regular face are taken directly from the given statements. The y's in bold face were placed by logical thinking of what spaces were left and according to the statements.
Sun Mon Tue Wed Thu Fri Sat
Lisa y n n
Pat y n n n
Alice n y
Sandy y
Jennifer y
Jim y
Paul y
Sunday: Lisa
Monday: Pat
Tuesday: Sandy
Wednesday: Jennifer
Thursday: Jim
Friday: Alice
Saturday: Paul