feat: added a field in the query result to indicate whether slot filling is cancelled.

PiperOrigin-RevId: 375489925

google/cloud/dialogflow/v2/BUILD.bazel

@@ -171,6 +171,7 @@ go_gapic_library(
         "//google/longrunning:longrunning_go_proto",
         "@com_google_cloud_go//longrunning:go_default_library",
         "@com_google_cloud_go//longrunning/autogen:go_default_library",
+        "@io_bazel_rules_go//proto/wkt:any_go_proto",
         "@io_bazel_rules_go//proto/wkt:duration_go_proto",
         "@io_bazel_rules_go//proto/wkt:struct_go_proto",
     ],

google/cloud/dialogflow/v2/session.proto

@@ -309,6 +309,10 @@ message QueryResult {
   //    matched intent doesn't contain any required parameters.
   bool all_required_params_present = 5;
 
+  // Indicates whether the conversational query triggers a cancellation for slot
+  // filling.
+  bool cancels_slot_filling = 21;
+
   // The text to be pronounced to the user or shown on the screen.
   // Note: This is a legacy field, `fulfillment_messages` should be preferred.
   string fulfillment_text = 6;