请帮我翻译一些词汇1.东航呼叫中心2.负责机票退改签的客服人员3.我的工作是每日接听来自中国各地的来电,然后根据客户的需

1、china eastern airlines call center
2、Air tickets reclaim and change staff（staff who reclaim or change the air tickets for the customer）
3、My job is to answer the daily calls from all over China,and then according to the demand of the customers to reclaim or change their air tickets。