Zazoo -
xxx
If it is a "must do it in DFW - DAL or FTW area", visit AA Academy in Euless.
They have 737NG simulators.
They certainly might introduce you to a local FTO that uses their simulators.
Last resort, call PAIFA PanAm Academy, they have training many suitable locations.
The PAIFA phone number is (800) 874 6064 - ask for Matt Tierney.
Yes you can do the FAA ATPL at same time, but need do written.
Will take you 2 or 3 days to study + written test. PAIFA can arrange.
Happy contrails