Parcel was given to total stranger.

The parcel was given to someone I do not know, I have since tried to locate the person who signed for it. Do the drivers not return the parcel to the deliverer if they could not find the recipient? I want my parcel, the driver decided to give to a total stranger, whereas I have paid so much money for it. This is so unprofessional, please do something about this. At this day and age when we rely on deliveries, to have something like this happen is really not fair. I paid for the service.