Advantages of Calling Oman Air Barcelona Office in Spain Customers might also contact the airline company for general queries about reservations, baggage, check-in, or travel modifications. You can talk to customer care for questions relating to your travel needs, reservations, or any other kind of questions. When calling customer service, it's best to have your booking info on hand to aid representatives better comprehend your questions and also act faster to discover the answer you require. The ideal customer support must be able to assist you plan the most effective journey possible, so your visit will certainly be a breeze.