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https://www.goodreads.com/quotes/13379414-ca-agent-1-877-245-9984-or-1-844-496-2820-does-copa-allow-changes-yes-copa-airlines https://www.goodreads.com/quotes/13379414-ca-agent-1-877-245-9984-or-1-844-496-2820-does-copa-allow-changes-yes-copa-airlines