feat: fix names

feat: fix names

Author: Mikemosca

lib/ibm_watson/assistant_v1.rb

@@ -33,7 +33,7 @@ module IBMWatson
   # The Assistant V1 service.
   class AssistantV1 < IBMCloudSdkCore::BaseService
     include Concurrent::Async
-    DEFAULT_SERVICE_NAME = "conversation"
+    DEFAULT_SERVICE_NAME = "assistant"
     DEFAULT_SERVICE_URL = "https://gateway.watsonplatform.net/assistant/api"
     ##
     # @!method initialize(args)

lib/ibm_watson/assistant_v2.rb

@@ -33,7 +33,7 @@ module IBMWatson
   # The Assistant V2 service.
   class AssistantV2 < IBMCloudSdkCore::BaseService
     include Concurrent::Async
-    DEFAULT_SERVICE_NAME = "conversation"
+    DEFAULT_SERVICE_NAME = "assistant"
     DEFAULT_SERVICE_URL = "https://gateway.watsonplatform.net/assistant/api"
     ##
     # @!method initialize(args)

lib/ibm_watson/compare_comply_v1.rb

@@ -29,7 +29,7 @@ module IBMWatson
   # The Compare Comply V1 service.
   class CompareComplyV1 < IBMCloudSdkCore::BaseService
     include Concurrent::Async
-    DEFAULT_SERVICE_NAME = "compare-comply"
+    DEFAULT_SERVICE_NAME = "compare_comply"
     DEFAULT_SERVICE_URL = "https://gateway.watsonplatform.net/compare-comply/api"
     ##
     # @!method initialize(args)

lib/ibm_watson/natural_language_understanding_v1.rb

@@ -36,7 +36,7 @@ module IBMWatson
   # The Natural Language Understanding V1 service.
   class NaturalLanguageUnderstandingV1 < IBMCloudSdkCore::BaseService
     include Concurrent::Async
-    DEFAULT_SERVICE_NAME = "natural-language-understanding"
+    DEFAULT_SERVICE_NAME = "natural_language_understanding"
     DEFAULT_SERVICE_URL = "https://gateway.watsonplatform.net/natural-language-understanding/api"
     ##
     # @!method initialize(args)