Add simple user confirm template

languages/thingtalk/dialogue_acts/recommendation.js

@@ -182,6 +182,9 @@ function makeRecommendationReply(ctx, proposal) {
     if (action || hasLearnMore)
         options.end = false;
     if (action === null) {
+        // we don't want 'confirm' to loop sys_recommend_one states
+        if (ctx.state.dialogueAct === 'confirm')
+            return null;
         return makeAgentReply(ctx, makeSimpleState(ctx, 'sys_recommend_one', null), proposal, null, options);
     } else {
         const chainParam = findChainParam(topResult, action);
@@ -222,9 +225,19 @@ function positiveRecommendationReply(ctx, acceptedAction, name) {
         // A: how about the ... ?
         // U: sure I like that
         //
-        // this doesn't make much sense, so we don't want this flow
-        if (actionProposal === null)
-            return null;
+        // This falls into the simple "confirm" state category,
+        // where the agent will propose an action the following turn.
+        if (actionProposal === null) {
+            const clone = ctx.clone();
+
+            // make sure user is talking about the correct entity
+            if (!name)
+                return null;
+            if (name[0].value !== ctx.aux.topResult.value.id.value)
+                return null;
+
+            return makeSimpleState(clone, 'confirm', null);
+        }
 
         acceptedAction = actionProposal;
     }

languages/thingtalk/en/dialogue.genie

@@ -99,6 +99,7 @@ context
     ctx_incomplete_action_after_search,
     ctx_learn_more,
     ctx_display_nonlist_result,
+    ctx_confirm,
 
     // agent states (used to continue the conversation with more user utterances)
     // these more or less map to the agent dialogue acts, except we don't distinguish
@@ -212,6 +213,10 @@ $agent = {
     // learn more
     ctx:ctx_learn_more system_learn_more
         => S.makeAgentReply(ctx, S.makeSimpleState(ctx, 'sys_learn_more_what', null));
+
+    // answer simple confirm state with recommendation
+    ctx:ctx_confirm proposal:system_confirmed_recommendation
+        => D.makeRecommendationReply(ctx, proposal);
 }
 
 $user = {

languages/thingtalk/en/dlg/recommendation.genie

@@ -183,6 +183,12 @@ system_recommendation = {
     };
 }
 
+// recommendations following a user confirm state
+system_confirmed_recommendation = {
+    ctx:ctx_confirm ('would you like to' | 'would you like me to') action:contextual_action_phrase [weight=0.1]
+        => D.makeActionRecommendation(ctx, action);
+}
+
 recommendation_accept_phrase_with_action = {
     accept_phrase generic_preamble_for_action action:coref_action_command => action;
 }

languages/thingtalk/state_manip.js

@@ -621,6 +621,9 @@ function tagContextForAgent(ctx) {
         assert(ctx.results);
         return ['ctx_learn_more'];
 
+    case 'confirm':
+        return ['ctx_confirm'];
+
     case 'execute':
     case 'ask_recommend':
         if (ctx.nextInfo !== null) {