Issue with awk in cmd substitution with if

Dear Experts,

Can you please help me with this one?
i have below snippet...
I want to extract

and

prompt>cat a
#!/usr/bin/ksh
set -x

LINE="MMECHJ-1 MMECHJ-1H P_PM43CEXP EXECUTING 19/03/2020 205814 19/03/2020 205814 LBKU01G SYS_BATCH 000000 100 0001093 0014704 19/03/2020 root 000 000 00 0013904"

if [[ $(echo $LINE | awk -F"-" '{ print $1"-" $2 }') == "MMECHJ-1" ]] ; then
session=$(echo "$LINE" | awk -F"-" '{ print $1"-"$2 }')
uproc=$(echo "$LINE" | awk -F"-" '{ print $3"-"$4 }' | awk -F";" '{ print $1 }')
fi


echo "$session"
echo "$uproc"

Below how it works out:
awk -F"-" '{ print $1"-" $2 }' results in "MMECHJ-1 MMECHJ" , while seperator is the dash ;;.

prompt>./a
+ LINE=MMECHJ-1 MMECHJ-1H P_PM43CEXP EXECUTING 19/03/2020 205814 19/03/2020 205814 LBKU01G SYS_BATCH 000000 100 0001093 0014704 19/03/2020 root 000 000 00 0013904
+ awk -F- { print $1"-" $2 }
+ echo MMECHJ-1 MMECHJ-1H P_PM43CEXP EXECUTING 19/03/2020 205814 19/03/2020 205814 LBKU01G SYS_BATCH 000000 100 0001093 0014704 19/03/2020 root 000 000 00 0013904
+ [[ MMECHJ-1 MMECHJ == MMECHJ-1 ]]
+ echo

+ echo

[bex1000@hn5219] /crelan/exp/prod/teste_production/teste_pascal/INC >

What's happening? This is ksh on aix.
:-~
Thanks again,
W.