Create new table from existing table

Hi,

Please check the below picture and the attached pbix file.

New table = 
VAR _logoutdatecolumn =
    ADDCOLUMNS (
        Data,
        "@logout_dt",
            VAR _nextlogondt =
                MINX (
                    FILTER (
                        Data,
                        Data[user] = EARLIER ( Data[user] )
                            && Data[logon_dt] > EARLIER ( Data[logon_dt] )
                    ),
                    Data[logon_dt]
                )
            VAR _nextlogoutdt =
                MINX (
                    FILTER (
                        Data,
                        Data[user] = EARLIER ( Data[user] )
                            && OR ( Data[logon_dt] > EARLIER ( Data[logon_dt] ), ISBLANK ( Data[logon_dt] ) )
                            && Data[logout_dt] < _nextlogondt
                    ),
                    Data[logout_dt]
                )
            RETURN
                IF ( _nextlogoutdt <> BLANK (), _nextlogoutdt, _nextlogondt )
    )
VAR _durationhrcolumn =
    ADDCOLUMNS (
        _logoutdatecolumn,
        "@durationmin", DATEDIFF ( Data[logon_dt], [@logout_dt], MINUTE )
    )
RETURN
    FILTER ( _durationhrcolumn, Data[logon_dt] <> BLANK () )