Brilliant Smile of Maryland

They are trying to charge for broken appointment when I cancelled a week ahead of time
I had a bi annual dental check up schedule for December of per the lady from collectionsI called to cancel in late November early December as I no longer had an active dental insurance plan in MarylandI told the lady on the phone this informationShe said, "We are sorry to see you go but I understand"So I assumed from that phone call that it was taken care ofI think it was actually cancelled earlier in the year as I had my first Pennsylvania dental appointment in September of Anyway I start to receive these nasty collection calls from this lady at their officeI keep telling her that the appointment was cancelled and she argues with me that it is notI told her why should I have to pay because they have a poor appointment system in their office? Then she gets really mad at meI almost want to pay just to get them off my back even though I do not owe them any money as the appo