SP 10.5.0

Shop floor personnel, POSITIONS, Training->Deleting any user "Delete notification alert" still in old UI. The alert throw from the browser

Alert throw from browser still in old UI. need to change to new UI

Records page
You didn't select any questionnaire for pre test survey. Do you want to complete the training?
Please Enter Last Submission Date Of Training Survey
Please Enter Last Submission Date Of Post Test Survey
Please Enter Last Submission Date Of Pre Test Survey

Evaluation page
alert from browser
Do you want to re-submit the questionnaire for selected participants
Please Select the Records to Delete
Are you sure want to delete the selected rows?

Training request page
Delete alert - are you sure you want to delete