Powerpivot for a newbie: Lookup Data from a table

I have a powerpivot file working with 10 tables.

One table is OPT is have  40 fields, including CUST_CODE and DATE.

I one Excel sheet i would like to create a lookup.

Basically in Cell A1, I enter one CUST_CODE,  in Cell A2, I enter one DATE, or range of DATE

I would like to display all the records corresponding to this filter but with only 6 fields among the 40

Absolutely dont know how to do it