Design pattern to use when multiple calls to the webservices are done

I am developing a microservice which calls 4 different soap webservices one after the other and response of each soap service is fed as the input request to the subsequent soap webservice. The scenario is explained as below:

micrservice
|------------------> soap service 1
       if(soap_Service1_Response.indicator is 1)
        {
                 call soap webservice 2(responseOfsoapService1)
         }
        else if(soap_Service1_Response.indicator is 2)
        {
                call soap webservice 3(responseOfsoapService2)
        }
         ........and so on.

Which design pattern to use in this scenario so that multiple if and else need not to be written? Thanks in advance

#java #rest #web-service #design-pattern