went to the huddle house and was discriminated against do i have a case

went to the huddle house me and boo are black when we went inside no one at the cashier table or working said anything to us. the way my girfriend was facing she couldn't see the waitresses. she was facing me her back was towards them. but i could see everything. no one said anything to us. no waitress aknowledge that they saw us. it was about 10 to 15 minutes still no service a white couple came inside and the cashier said goodmorning. they had a seat and they were given silerware and asked may i help u. still we weren't seen i showed my girlfriend the white couple being waited on. we both decided to leave. i told her to call the manager. she did they told my girlfriend they find out what happen and call us back. we eatting at roxy whethe manager called us back