Concern: Buyer contacted us and asking for compensation (regardless of the concern)
check the buyer ID or email and verify if the user is a voucher hunter: https://yida.alibaba-inc.com/s/BuyerAccountManage?_locale_lang=en_US#/
If not, ask approval to your superiors
If yes, tag the case as spam | outbound and educate the user about the status of the account