Trans slips first Drive in morning after shift it drives,shifts good

What is your question?

Trans will not shift if excelerate fast,but if u excelerate slow,trans will shift,sometimes. After it shifts the first time,it shifts untell the next day.....help,please

How long has your 2004 Chevrolet Impala had this problem?

Started last year,would not go into gear unwell car was warm