express EXPRESS......... NOT Columbus Ohio

I purchased four sweaters from Express.com on December 05/2017, when I received the items two of them was big so I went to the Express store located on 3101 Steinway Street Astoria, New York 11103 to return them but the cashier refused and told me that I will have to mail it back, so I emailed Express on 1/3/2017 and I was told that I will receive a return label receipt within 7 business days but never received anything so I emailed them again on 1/12/2017 and it was no response back from them, so I called customer service and I was told that a label will be emailed to me within 24 hours again but again never received anything, so I emailed Express again on 1/15/2017 and asked them for the fourth time to email me a return label receipt and  their response was to wait another 5 business days.

I am not sure if Express ignoring my request until the 90 days return policy runs out or is it a discrimination issue because of my name.