diff --git a/internal/bard/request.go b/internal/bard/request.go
index 7903170..84601f6 100644
--- a/internal/bard/request.go
+++ b/internal/bard/request.go
@@ -3,7 +3,7 @@ package bard
 import "time"
 
 type BardCache struct {
-	Bards map[string]Bard
+	Bards map[string]*Bard
 }
 
 func GarbageCollectCache(cache *BardCache) {
@@ -18,7 +18,7 @@ var cache *BardCache
 
 func init() {
 	cache = &BardCache{
-		Bards: make(map[string]Bard),
+		Bards: make(map[string]*Bard),
 	}
 	go func() {
 		for {
diff --git a/internal/bard/utilities.go b/internal/bard/utilities.go
new file mode 100644
index 0000000..669926a
--- /dev/null
+++ b/internal/bard/utilities.go
@@ -0,0 +1,14 @@
+package bard
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+)
+
+func HashConversation(conversation []string) string {
+	hash := md5.New()
+	for _, message := range conversation {
+		hash.Write([]byte(message))
+	}
+	return hex.EncodeToString(hash.Sum(nil))
+}