Hello everyone i'm sad

i purchased a cattleya about 2 weeks ago at the alexandria, louisiana orchid show i bought many but there's this one cattleya i have and it was doing great except 2 days ago i noticed it's bloom drying out how can i save my baby plz help!!!!

also i have it in a 5 in. net pot i water it every 5 or 6 days and in between every 2 or 3 days i lightly mist it the rest are doing good i cnt put them outside cuz it's too freezin right now so i have a cool mist humidifier on for them cuz my house is very dry and very open .....any suggestions
