diff --git a/Core/Helpers/DialogueHelper.cs b/Core/Helpers/DialogueHelper.cs
index 5d4c2f05..afef1631 100644
--- a/Core/Helpers/DialogueHelper.cs
+++ b/Core/Helpers/DialogueHelper.cs
@@ -1,12 +1,46 @@
 using Core.Annotations;
 using Core.Models.Eft.Common.Tables;
 using Core.Models.Eft.Profile;
+using Core.Servers;
+using Core.Services;
+using Core.Utils;
+using ILogger = Core.Models.Utils.ILogger;
 
 namespace Core.Helpers;
 
 [Injectable]
 public class DialogueHelper
 {
+    private readonly ILogger _logger;
+    private readonly HashUtil _hashUtil;
+    private readonly SaveServer _saveServer;
+    private readonly DatabaseServer _databaseServer;
+    private readonly NotifierHelper _notifierHelper;
+    private readonly NotificationSendHelper _notificationSendHelper;
+    private readonly LocalisationService _localisationService;
+    private readonly ItemHelper _itemHelper;
+
+    public DialogueHelper
+    (
+        ILogger logger,
+        HashUtil hashUtil,
+        SaveServer saveServer,
+        DatabaseServer databaseServer,
+        NotifierHelper notifierHelper,
+        NotificationSendHelper notificationSendHelper,
+        LocalisationService localisationService,
+        ItemHelper itemHelper
+    )
+    {
+        _logger = logger;
+        _hashUtil = hashUtil;
+        _saveServer = saveServer;
+        _databaseServer = databaseServer;
+        _notifierHelper = notifierHelper;
+        _localisationService = localisationService;
+        _itemHelper = itemHelper;
+    }
+
     /// <summary>
     /// Get the preview contents of the last message in a dialogue.
     /// </summary>
@@ -14,7 +48,23 @@ public class DialogueHelper
     /// <returns>MessagePreview</returns>
     public MessagePreview GetMessagePreview(Models.Eft.Profile.Dialogue dialogue)
     {
-        throw new NotImplementedException();
+        // The last message of the dialogue should be shown on the preview.
+        var message = dialogue.Messages[dialogue.Messages.Count - 1];
+        MessagePreview result = new()
+        {
+            DateTime = message?.DateTime,
+            MessageType = message?.MessageType,
+            TemplateId = message?.TemplateId,
+            UserId = dialogue?.Id
+        };
+        
+        if (message?.Text is not null)
+            result.Text = message.Text;
+        
+        if (message?.SystemData is not null)
+            result.SystemData = message?.SystemData;
+        
+        return result;
     }
 
     /// <summary>
@@ -26,7 +76,36 @@ public class DialogueHelper
     /// <returns></returns>
     public List<Item> GetMessageItemContents(string messageID, string sessionID, string itemId)
     {
-        throw new NotImplementedException();
+        var dialogueData = _saveServer.GetProfile(sessionID).DialogueRecords;
+        foreach (var dialogue in dialogueData)
+        {
+            var message = dialogueData[dialogue.Key].Messages.FirstOrDefault(x => x.Id == messageID);
+            if (message is null)
+                continue;
+
+            if (message.Id == messageID)
+            {
+                var attachmentsNew = _saveServer.GetProfile(sessionID).DialogueRecords[dialogue.Key].AttachmentsNew;
+                if (attachmentsNew > 0)
+                    _saveServer.GetProfile(sessionID).DialogueRecords[dialogue.Key].AttachmentsNew = attachmentsNew - 1;
+                
+                // Check reward count when item being moved isn't in reward list
+                // If count is 0, it means after this move occurs the reward array will be empty and all rewards collected
+                if (message.Items.Data is null)
+                    message.Items.Data = new();
+
+                var rewardItems = message.Items.Data?.Where(x => x.Id != itemId);
+                if (rewardItems.Count() == 0)
+                {
+                    message.RewardCollected = true;
+                    message.HasRewards = false;
+                }
+                
+                return message.Items.Data;
+            }
+        }
+        
+        return new List<Item>();
     }
 
     /// <summary>
@@ -36,6 +115,26 @@ public class DialogueHelper
     /// <returns>Dialog dictionary</returns>
     public Dictionary<string, Models.Eft.Profile.Dialogue> GetDialogsForProfile(string sessionId)
     {
-        throw new NotImplementedException();
+        var profile = _saveServer.GetProfile(sessionId);
+        if (profile.DialogueRecords is null)
+            profile.DialogueRecords = new();
+        
+        return profile.DialogueRecords;
+    }
+
+    public Models.Eft.Profile.Dialogue? GetDialogueFromProfile(string profileId, string dialogueId)
+    {
+        Models.Eft.Profile.Dialogue? returnDialogue = null;
+        var dialogues = GetDialogsForProfile(profileId);
+
+        foreach (var dialogue in dialogues.Values)
+        {
+            if (dialogue.Id == dialogueId)
+                returnDialogue = dialogue;
+            
+            break;
+        }
+        
+        return returnDialogue;
     }
 }