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https://community.tableau.com/s/question/0D58b0000CZMaADCQ1/how-much-is-the-fee-to-change-a-flight-on-%F0%9D%91%A8%F0%9D%92%8E%F0%9D%92%86%F0%9D%92%93%F0%9D%92%8A%F0%9D%92%84%F0%9D%92%82%F0%9D%92%8F-airlines