How is in-flight service usually structured?

In-flight service is typically structured to encompass a comprehensive offering that enhances the passenger experience. This includes meal services, which often consist of meals tailored to different dietary requirements, as well as beverage offerings that might include both non-alcoholic and alcoholic options. Additionally, duty-free sales are an integral part of in-flight service on certain airlines, allowing passengers the opportunity to purchase items at tax-free prices during their flight. This multifaceted approach ensures that passengers receive a well-rounded experience that includes nourishment, refreshments, and shopping options, all of which contribute significantly to passenger satisfaction and the overall service ethos of the airline.

Other options focus on limited aspects of the in-flight experience, such as beverage service alone or just passenger assistance, which do not encapsulate the full range of services typically offered during a flight. Moreover, the reference to entertainment only is too narrow and overlooks the essential services that airlines provide during flights. Thus, the correct choice accurately reflects the diverse and structured nature of in-flight service.