Imagine you need to make a small demo of some BI functionality not depended of data type. All yo need is to have some data which can be used in your model. Where to get some data? For such a purpose it is convenient to use Data Model of SAP demo application SFLIGHT/flight data model or sometimes better know as BC_TRAVEL model. Data of this model are often used in SAP standard training courses of ABAP, Basis areas (e.g. courses of Internet Transaction Server, SAP Web/Application Server). Data model is delivered with Basis component in development package called SAPBC_DATAMODEL. In case you want to use it you need to run transaction BC_DATA_GEN and fill up its selection screen according your needs.
Find more information about Flight Model on help.sap.com.
Find more information about Flight Model on help.sap.com.