I stayed at the Sheraton hotel July 3 and July 4 t...

I stayed at the Sheraton hotel July 3 and July 4 the place was nice but they overcharged me my bill was 314 instead they charge me 634.00 when I called they keep telling me I will get the money back it has been 5 days already and I has not get the money back I will never be staying at the Sheraton hotel ever again how can they make a big mistake like this my bill was 314 instead they charge me 320 extra if I never checked my account I would of not known and they would of not call and say a word they very dishonest