Starting from scratch without VBA knowledge you are going to have a very steep learning curve.
What is required for this task is a userform -
http://www.gmayor.com/Userform.htm with list or combo boxes for the selectable items and text boxes for names etc. The input values from that userform are then transferred to the document via bookmarked locations or docvariable fields.
See also
http://gregmaxey.com/Create_and_employ_a_UserForm.htm for a more in depth study.
If starting out in Word VBA, the place to begin is to gain an understanding of the use of ranges. See
http://gregmaxey.com/word_tip_pages/vba_basics.html which explains the various concepts including ranges.