How do I change a Southwest Flight?

Southwest Airlines’ plan will make changes according by keeping in mind the cost of the ticket. Also, where we can use this future ticket in the form of credit? You can also contact +1-888-894-2072 for assistance related to flights change and also can plan for flying with the airline. So, no cost can be used in this original itinerary. Also, support is provided to the passenger at the time of changing the flight and they are provided with all the support and assistance.