         let keyboardFrame =
             (notification.userInfo?[UIKeyboardFrameEndUserInfoKey] as! NSValue).cgRectValue
         textFieldBottomConstraint.constant = -keyboardFrame.height
-    
+        
     }
     
     @objc func keyboardWillHide(notification: NSNotification) {

        _ = AudioController.sharedInstance.start()
    }
    
    func stopListening() {
        audioButton.setImage(#imageLiteral(resourceName: "Mic"), for: .normal)
        keybordButton.isEnabled = true

}

extension DialogflowViewController: AudioControllerDelegate {
    //Microphone start listening
    func startListening() {
        listening = true
        audioButton.setImage(#imageLiteral(resourceName: "CancelButton"), for: .normal)
