To write a novel involving a travel agency, you can refer to the following suggestions: 1. The history and background of travel agencies: Travel agencies have become very common in modern society, so it is possible to write a novel about the history and background of travel agencies, telling the origin, development and changes of travel agencies. He could also describe famous travel agencies such as " Delta Air Lines " and " American Travel Association " in the United States and " Ctrip " in China. 2. The roles and employees of the travel agency: In the novel, you can describe some different roles such as tour guides, air ticket reservations, hotel reservations, travel advisors, etc. Their roles and responsibilities in this industry. It could also describe the working environment and stories of some travel agency employees such as sales staff, financial managers, IT employees, etc. 3. Travel itinerary and plot: It can describe some travel itineraries such as adventure travel, seaside travel, historical and cultural tourism, etc. It can also describe some special travel itineraries such as wedding travel, birthday travel, anniversary travel, etc. At the same time, he could also set up some plots such as dangerous incidents during the trip, internal struggles of travel agency employees, customer complaints, etc. to promote the development of the story. 4. Business model and competitive environment of travel agencies: There are many business models of travel agencies, such as reservation model, sales model, service model, etc. At the same time, it can also describe the competitive environment of some travel agencies, such as the fierce competition in the tourism market, the strategies and actions of competitors, etc. 5. The ending and theme of the story: The ending of the story can be set to be open to the reader's imagination. The theme could be set according to the storyline and character creation, such as exploring the secrets of the industry, telling workplace stories, exploring the charm of tourism, etc.