diff --git a/src/startchatdialog.h b/src/startchatdialog.h
new file mode 100644
index 0000000..f317ec6
--- /dev/null
+++ b/src/startchatdialog.h
@@ -0,0 +1,51 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
+/*
+ * Copyright (c) 2013, Regents of the University of California
+ *                     Yingdi Yu
+ *
+ * BSD license, See the LICENSE file for more information
+ *
+ * Author: Yingdi Yu <yingdi@cs.ucla.edu>
+ */
+
+#ifndef STARTCHATDIALOG_H
+#define STARTCHATDIALOG_H
+
+#include <QDialog>
+
+#ifndef Q_MOC_RUN
+#include <string>
+#endif
+
+namespace Ui {
+class StartChatDialog;
+}
+
+class StartChatDialog : public QDialog
+{
+  Q_OBJECT
+
+public:
+  explicit StartChatDialog(QWidget *parent = 0);
+  ~StartChatDialog();
+
+  void
+  setInvitee(const std::string& invitee, const std::string& chatroom);
+
+signals:
+  void
+  chatroomConfirmed(const QString& chatroomName, const QString& invitee, bool isIntroducer);
+    
+private slots:
+  void
+  onOkClicked();
+  
+  void
+  onCancelClicked();
+
+private:
+  Ui::StartChatDialog *ui;
+  std::string m_invitee;
+};
+
+#endif // STARTCHATDIALOG_H