Perl 5-pF\", 103 bytes
map++$i%2&&s/\b(um|uh|like|you know)\b//gi,@F;$_=join'"',@F;s/^ *| +?(?=,| )//g;s/(^|\. )\K\S+/\u\L$&/g↧
Answer by Xcali for Remove filler words from a string
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