code: @Controller(next = "askWhetherToRepeat")
      public void askTimeForMeeting(Event event) {
          if (event.getMessage().getText().contains("yes")) {
              reply(event, "Okay. Would you like me to set a reminder for you?");
              nextConversation(event);    // jump to next question in conversation  
          } else {
              reply(event, "No problem. You can always schedule one with 'setup meeting' command.");
              stopConversation(event);    // stop conversation only if user says no
          }
      }
docs: This method will be invoked after {@link FbBot#confirmTiming(Event)}. You can
  call {@link Bot#stopConversation(Event)} to end the conversation.
  
  @param event