replaced clutch flywheel

Hi, just looking for some advice if there are some people who are experiencing the same problems as me. I have a 2009 2.2iDTEC Accord ES-GT Diesel with a slipping clutch. Clutch slips at around 2000rpm - 2500rpm in 3rd, 4th, 5th and sometimes in 6th gear. The clutch and flywheel have just...