How does multi city flight work? And How to get United Airline multi city flight

The basic concept of flying with multi city is getting to fly to several locations via a single carrier. Moreover, there are various benefits like no flight change, saving time for booking & paying at once.
Sometimes traveling to multiple cities due to a lack of information, people spend a lot on various flights. Perhaps, you can reserve the multi city flight & save more money. Several other things are quite more beneficial for the passengers. You can read more about booking multi city flight United Airlines here https://manageairlinesbooking.com/blog/united-airlines-multi-city-flights/