Date Specific data input

Hey Everyone. 

So I'm very new to Excel and getting my head around a lot of the stuff I need to know with help from this forum as well as Google. 

I am however stuck now. 

I'm trying to be able to select a date that I have input across row 2. Each one is a different date. And to have different values in my columns for each date. 

I have a set of information in columns A and B that I would like to keep the same but in columns D, E, F and G I would like to have the data I input to be able to be different depending on the date I select across row 2. 

I've made simple drop down lists that I can adjust to a simple YES - NO - N/A but every date the data will be different. 

I'm sure its possible but I can't figure out how. 

Many thanks for your help.