system
guilty: I had a dinner date with a old friend but I was so tired that I told her I had a emergency the last minute now I feel so guilt-ridden.
human
I canceled a dinner with a old friend because I was just so tired had a long work week. 
human
I understand! As we get older, it's hard to do it all everyday!
human
It is I just feel a little guilt-ridden because I told her I had an emergency instead of telling her the truth because she would have tried to talk me into still coming out.
human
It happens, but definitely be honest as you would want someone to be honest with you