The 
Insert guests scratch-pad window allows to quickly enter guest names in free text. To display this window select Insert>Guests scratch-pad or the equivalent Insert tool bar button.
Click on the Titles... button to set-up standard titles in the Preferences window. This will help PerfectTablePlan make better guesses about how to split the text correctly into titles, first names and last names and to guess gender.
Enter the names, one guest/couple/family/group per line and click Next. Some examples of allowed formats are shown in the window.
Click Back to go back and make corrections to the text.
Click OK to add the guests to your plan.
Click Cancel to discard your changes.