diff --git a/src/Infrastructure/BotSharp.Abstraction/Repositories/Filters/ConversationFilter.cs b/src/Infrastructure/BotSharp.Abstraction/Repositories/Filters/ConversationFilter.cs
index b94876c3e..e274adb78 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Repositories/Filters/ConversationFilter.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Repositories/Filters/ConversationFilter.cs
@@ -16,6 +16,7 @@ public class ConversationFilter
     public string? ChannelId { get; set; }
     public string? UserId { get; set; }
     public DateTime? StartTime { get; set; }
+    public DateTime? EndTime { get; set; }
 
     /// <summary>
     /// Agent task id
diff --git a/src/Plugins/BotSharp.Plugin.MongoStorage/Repository/MongoRepository.Conversation.cs b/src/Plugins/BotSharp.Plugin.MongoStorage/Repository/MongoRepository.Conversation.cs
index d0da6fbf9..fb424f02b 100644
--- a/src/Plugins/BotSharp.Plugin.MongoStorage/Repository/MongoRepository.Conversation.cs
+++ b/src/Plugins/BotSharp.Plugin.MongoStorage/Repository/MongoRepository.Conversation.cs
@@ -393,6 +393,10 @@ public PagedItems<Conversation> GetConversations(ConversationFilter filter)
         {
             convFilters.Add(convBuilder.Gte(x => x.CreatedTime, filter.StartTime.Value));
         }
+        if (filter?.EndTime != null)
+        {
+            convFilters.Add(convBuilder.Lte(x => x.CreatedTime, filter.EndTime.Value));
+        }
         if (filter?.Tags != null && filter.Tags.Any())
         {
             convFilters.Add(convBuilder.AnyIn(x => x.Tags, filter.Tags));