Elephant Structures / Carport

I have ordered carport from Elephant Structures. The company also agreed to install the carport, and they promised to come on 23/10 around 5 p.m. Before 5 p.m. I got the phone call from the agent, who excused and told that they would be late. So we changed the date and time, but they again found other important things to do and no one showed up. I don’t like when the people change their decisions too fast.