Pathetic service

Disgusting customer service My parcel went out on delivery on the 14th of August. Received an email later that night to say that it could not be delivered. No phone call I called in on Friday, Monday and Tuesday to enquire why it was not delivered and when will it be delivered, spoke to 5 consultants who were rude and not helpful. Why are consultants employed if they are going to be so rude and unhelpful. Each call is costly and to date no one has given me feedback