After you file

I called irs and sadly I owe money from a previous tax year (I didn’t know about) I didn’t get a letter and my WMR says “it’s being processed “ with no codes or anything. I spoke to 3 different people and 2 of them told me they will take out the owes money and I’ll get my refund in 3 weeks then another person said I won’t have to wait I should be getting a date and deposit the remaining amount . Anyone had this before ? I’m so confused:(