What you're saying is that you use Dataflex driver settings with Dataflex programs to migrate DATE type data to DATETIME type data. Dynamic AI only knows what it sees in the table -- and you have provided it with the type it expects as a date. Dynamic AI doesn't write any data, it just formats it for output, and in case of dates it recognizes as date data, it offers many functions for extracting date parts or formatting the date string in output. It does actually convert any data, unless you write an SQL formula to do that and use that formula-column in the report.
Regards,
Bob