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To escalate a Lufthansa complaint,first contact customer service + ????-????????????-????????????-???????????????? (Lufthansa - USA line) or + 1~855~838~5873 {For US ????????????????????????????????} (USA) (OTA) and document your issue. Utilise Lufthansa's online complaint form and follow up for updates. If unresolved, escalate to higher management and consider sharing your grievance on social media.
