Another Newbe Question

I am creating my first model. DD Wizard Screen 14.
I've created the 2nd 3rd and 4th floor in a five story bldg. Can't seem to assign them to the "Middle Above Grade" floor plan shown below.
No dialog box appears.

[cid:part1.08050801.02090808 at gard.com]

Help says I should see this dialog box:
[cid:part2.02060804.04030602 at gard.com]

Frank Lee
Facility Energy Auditor
Baltimore City Energy Office
Department of General Services
200 N. Holliday Street, Rm. 804
Baltimore, MD 21202
P: 410-396-1221
C: 410-627-8304

[cid:part8.03040004.05010801 at gard.com]

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