modules/interaction/domain/semantics_test.go

@@ -80,6 +80,9 @@ func TestTravelSearchClarification(t *testing.T) {
 	if got := TravelSearchClarification("а куда летим?", history); got == "" {
 		t.Fatal("follow-up must remain attached to the travel goal")
 	}
+	if got := TravelSearchClarification("какая погода в Сочи?", history); got != "" {
+		t.Fatalf("unrelated question must not inherit travel goal, got %q", got)
+	}
 }
 
 func TestInterpretUtteranceDirectiveRecordsOutcomeWithoutExecution(t *testing.T) {

modules/interaction/domain/travel.go

@@ -30,7 +30,7 @@ func StripAssistantVocative(message string) string {
 func TravelSearchClarification(message string, history []interaction.HumanUtterance) string {
 	current := semanticTokens(StripAssistantVocative(message))
 	travel := travelCue(current)
-	if !travel {
+	if !travel && travelFollowUpCue(current) {
 		for index := len(history) - 1; index >= 0; index-- {
 			if travelCue(semanticTokens(history[index].Content)) {
 				travel = true
@@ -62,6 +62,10 @@ func travelCue(tokens []string) bool {
 	return containsStemInTokens(tokens, "билет", "рейс", "поезд", "автобус", "перелет", "перелёт")
 }
 
+func travelFollowUpCue(tokens []string) bool {
+	return containsStemInTokens(tokens, "куда", "откуда", "маршрут", "летим", "дата", "число")
+}
+
 func hasDigit(value string) bool {
 	for _, runeValue := range value {
 		if runeValue >= '0' && runeValue <= '9' {