I made a few changes, including substituting "unless" a couple of times, and changing the month hash to a list.

#!/usr/bin/perl

#update: some problems with the month array in my code belo w (I was t
+hinking the index starts at 1 not 0, newbie mistake. See discussion.

use strict;
use warnings;

print "Excuse Generator\n\n\n";

my @myCities = ('Baltimore','Chicago','Los Angeles','New York','San Di
+ego');

my $found=0;

print "Please pick one of the following cities by entering any portion
+ of the beginning of the city name:(@myCities)\n";
chomp(my $input_city = <STDIN> );
if ( $input_city =~ m/^l/i ) {
        print "We no longer tour the city of Angels, please try again\
+n";
        exit;
}
foreach my $city ( @myCities ) {
        if ($city =~ /^$input_city/i ) {
                $found = $city;
                print "Found $found\n";
                next;
        }
}

unless ($found) {
    print "No City found!\n";
    exit;
}

my @months = qw(January February March April May June July August Sept
+ember October November December);

print "Enter the month as an integer i.e. (1=January, 2=Febuary, etc.)
+\n";
chomp(my $month = <STDIN> );
print "Invalid Month $month specified\n" unless (exists $months[$month
+]);


print "How many days [1-31]?\n";
chomp(my $num_days = <STDIN> ); #problems here, see discussion
my $days = join( ", ", 1 .. $num_days ),;


        my @myArray = (
        "\nHi Steve, \n\n",
        "I'm looking forward to the Perl class. \n",
        "I just want to let you know that I won't be in class on the f
+ollowing days:\n\n",
        "\ $months[$month] $days\n\n",
        "I'm touring $found with my dance band, Liquid Blue!\n\n",
        "Thanks,\n",
        "Scott Stephens\n\n"
        );


print @myArray;
[download]

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