Can I buy a business class ticket to the United States when I go to San Francisco and back to Los Angeles?

Reservation methods: call to book, online QQ booking, MSN customer service booking, go to the company to book in person. Reservation phone number: 13681770651 (residing in Shanghai) customer service; Ms. Jin Mobile phone and WeChat number: 136-8177-0651 Online QQ customer service: 285-0786-717 (online consultation available) UA897/UA898 direct flight from Beijing to Washington, the United States, first-class business class air tickets are at special prices, call us for daily discounts and there will be surprises! Departure city: Departure from China (Shanghai PVG, Beijing PEK, Hong Kong HKG, Guangzhou CAN) - United States (Los Angeles LAX, San Francisco SFO, Chicago ORD, New York NYC, airlines: Air China CA, United Airlines UA, Delta DL, China Eastern MU, American Airlines AA, Asiana OZ, Korean KE, ANA NH, Class fare: Departure from China (Shanghai PVG, Beijing PEK, Hong Kong HKG, Guangzhou CAN) - United States (Los Angeles LAX, San Francisco SFO, Chicago ORD, New York NYC, United Airlines UA Shanghai to San Francisco direct flight schedule: Flight number Airlines Origin city Departure time Arrival city Arrival time UA898 United Airlines Beijing Capital 1825 Washington Dulles Airport 1953 UA897 United Airlines Washington Dulles Airport 1219 Beijing Capital 1420+1 Cathay Pacific Beijing Shanghai Hong Kong direct flight timetable to London Flight number Airlines Origin city Departure time Arrival city Arrival time CX257 Cathay Pacific Hong Kong 1005 Departure London 1600 Arrival CX252 Cathay Pacific London 1230 Departure Hong Kong 0705+1 Arrival British Airways Hong Kong direct flight timetable Flight number Airline Origin city Departure time Arrival city Arrival time BA022 British Airways Hong Kong 0910 Departure London 1500 Arrival BA021 British Airways London 1200 Departure Hong Kong 0655+1 Arrival First class flight tickets from Shanghai to Beijing start at 12,000 yuan! Discounted business class tickets from Shanghai to Beijing to San Francisco start at 8,600 yuan! Discounted first class tickets from Shanghai to Beijing to Los Angeles start at 12,000 yuan! Note: International flight schedules and air ticket prices published on the Internet are not released in real time, and accurate information must be checked on the same day. Booking methods: call to book, online QQ booking, MSN customer service booking, go to the company to book in person. Reminder: Do not rush to remit money or pay a deposit before seeing the actual product to avoid being deceived.