An online travel agent or over the air (OTA) agent offers a tourist or travel enthusiast to book flight, train and various other tickets, helps to provide personalized package and various other opportunities. In the recent years, it has been seen that there is a significant rise in demand for online travel agents for various reasons.An online travel agent or over the air (OTA) agent offers a tourist or travel enthusiast to book flight, train and various other tickets, helps to provide personalized package and various other opportunities. In the recent years, it has been seen that there is a significant rise in demand for online travel agents for various reasons.An online travel agent or over the air (OTA) agent offers a tourist or travel enthusiast to book flight, train and various other tickets, helps to provide personalized package and various other opportunities. In the recent years, it has been seen that there is a significant rise in demand for online travel agents for various reasons.