Reebok - Deficiency in Service

I have purchased the Reebok Shoes bearing order number ***-*******-******* as an gift to someone. However, during the order of the product it was informed that the same will be delivered by **th August before **:**pm. However, I did not receive the details of the Delivery guy, I had to call the Customer service and demand his details. Thereafter, the delivery agent called me at **:** in the night and the background noise of him was of chilling with friends and partying on questioning the latency of the delivery he said "late hogya madam" i asked to attempt on **th. However, Since morning he is not answering my call. To be very honest such type of delivery agents who are partying and chilling and delaying your order is unacceptable.