Id be happy to help assist you in understanding your dream.
Shaking hands is symbolic. It can represent something in your life you are currently working on. Perhaps there is a part of you that you feel you cant fully grasp. Perhaps you have emotions or issues when meeting people, or making arrangements? You could also be struggling with self confidence. Whatever it may be. You are in the process of working through it.
If you have anymore questions please feel free to ask,