woocommerce/templates/emails/plain/admin-cancelled-order.php

<?php
/**
 * Admin cancelled order email (plain text)
 *
 * @author  WooThemes
 * @package WooCommerce/Templates/Emails/Plain
 * @version 2.3.0
 */
if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
}

echo "= " . $email_heading . " =\n\n";

echo sprintf( __( 'The order #%d from %s has been cancelled. The order was as follows:', 'woocommerce' ), $order->id, $order->get_formatted_billing_full_name() ) . "\n\n";

echo "=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=\n\n";

do_action( 'woocommerce_email_before_order_table', $order, $sent_to_admin, $plain_text );

echo strtoupper( sprintf( __( 'Order number: %s', 'woocommerce' ), $order->get_order_number() ) ) . "\n";
echo date_i18n( __( 'jS F Y', 'woocommerce' ), strtotime( $order->order_date ) ) . "\n";

do_action( 'woocommerce_email_order_meta', $order, $sent_to_admin, $plain_text );

echo "\n" . $order->email_order_items_table( false, true, '', '', '', true );

echo "==========\n\n";

if ( $totals = $order->get_order_item_totals() ) {
	foreach ( $totals as $total ) {
		echo $total['label'] . "\t " . $total['value'] . "\n";
	}
}

echo "\n" . sprintf( __( 'View order: %s', 'woocommerce'), admin_url( 'post.php?post=' . $order->id . '&action=edit' ) ) . "\n";

echo "\n=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=\n\n";

do_action( 'woocommerce_email_after_order_table', $order, $sent_to_admin, $plain_text );

do_action( 'woocommerce_email_customer_details', $order, $sent_to_admin, $plain_text );

echo "\n=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=\n\n";

echo apply_filters( 'woocommerce_email_footer_text', get_option( 'woocommerce_email_footer_text' ) );