To start with, you should check the
LabVIEW Learning Center and take one of the many tutorials, books, classes, etc. to get an understanding of LabVIEW. What you want to do sounds pretty simple and basically what you do is drop these separate VIs into a new one. Now they are subVIs in the new main VI. How you wire them together and incorporate other functions is going to depend on a lot of things but hopefully you'll have a better understanding once you take some kind of task and look through some of the numerous shipping examples.