I worked for six (6) years in a Shipping company as a Crewing Assistant. I handled more of paper works like preparing Crew contract, Crew Departure documents. Some customer service relation such as Airline booking, Evaluating and Screening applicants.
I Just recently finish short term contract as Customer Service Representative online. The work deal on con customer service that focuses on client's complain, follow up inquiries, customer request, responding email, updating customer information.