flow steps
1.

2.

3.

4.

Group 1
condition 1 = Redeemed y or N = y
condition 2 = if(empty(item()?['Redeemed Date']),1,0) = 0
Group 2
condition 1 = greaterOrEquals(addDays('1899-12-30',int(item()?['Redeemed Date']),'yyyy-MM-dd'),subtractFromTime(convertFromUTC(utcNow(),'Eastern Standard Time'),1,'Month','yyyy-MM-dd'))
condition 2 = lessOrEquals(addDays('1899-12-30',int(item()?['Redeemed Date']),'yyyy-MM-dd'),subtractFromTime(startOfMonth(convertFromUtc(utcNow(),'Eastern Standard Time')),1,'Day','yyyy-MM-dd')) is TRUE

5.
Compose with expression = sort(variables('HtmlTable'),'Conference')
6. Create csv table with Outputs from Compose step

7. Last step is to send email V2