Hello Peter, my name is Robert

Hello Peter, my name is Robert. I have been expecting my delivery from a courier company called Aramex from last week Friday, when I check the status using the following track number DBP*** it says they tried to deliver but they didn't find me which is not correct,I don't know if I will ever get my delivery or not as their policy says I should recieve my delivery within 48 to 72 working hours, please assist