Rocket Stop, Grandview MO

So here is week 3 I played on the slot machine the 3rd row down machine took my 20 it played $2 of my money and then $18 Is what still do to me I was told to leave my information with manager I was also told that he would be up here early in the morning or midnight morning so I am up here on my lunch break at 11 and I still have nobody to give me any information except for that they have no information in mind this is the 2nd time I've actually lost money or could not get to my funds and it's getting a little ridiculous $18 are still owed to me and I'm not able to get it who do I need to talk to it how can this be done I mean you guys have slot machines you should have availabilities to get back people's are money