use warnings;
use strict;

$/ = "\n\n";
while (<DATA>) {
    my %data;
    for my $line (split /\n/) {
        my ($k, $v) = split /\s*:\s*/, $line;
        $data{$k} = $v;
    }
    print "$data{'First Name'} $data{'Last Name'}\n" if $data{Location} eq 'Central USA';
}

__DATA__
First Name: John
Last Name: Doe
Occupation: Network Administrator
Location: West Coast

First Name: Jane
Last Name: Doe
Occupation: Human Resources
Location: East Coast

First Name: James
Last Name: Doe
Occupation: Technical Support Engineer
Location: Central USA