This is what the CSV look like

Account number (preferred / formatted),Customer reference,Posting date,Account currency,Transaction amount
750856653,233413,3/9/2019,USD,-1439.58
750856653,233431,3/9/2019,USD,-186.66
750856653,NONREF,3/9/2019,USD,14401.48

This is my desired output:

750-85665-3 0000233420 090319000000209299
750-85665-3 0000233417 090319000000285615
750-85665-3 0000233426 090319000000239225


MY CODE: (i am confused please help)
#!/bin/bash

input="/file-path/details.csv"
column -t -s: |
sed 's/ ,/,/g'
while IFS=',' read -r f1 f2 f3 f4 f5
do
echo "$f1 $f2 $f3 $f4 $f5 "
done < "$input"

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