One of the most common, and most frustrating, problems for an AC system is short-cycling. This problem is both a symptom of a repair need and the cause of further issues. Although sometimes there is a simple fix such as changing your air filter, in many cases short-cycling requires a much bigger repair, and the best thing you can do is contact an HVAC professional.
After all, unless short-cycling is resolved, it will eventually lead to an early demise for your air conditioner, and will waste a lot of energy until then.