private LoyaltyProgramActivitiesRS getProgramActvitiesRS(LoyaltyProgramActivitiesRQ programActivitiesRQ, LoyaltyProgramActivitiesRS programActivitiesRS, JsonObject jsonResponse, JsonParser jsonParser, JsonObject jsonRequest) throws ParseException, ServiceException, IOException {
    HttpsURLConnection connection;
    String serviceURL = getMemberInteractionsURL();
    String fromDate = (null != jsonRequest.get(CommonConstants.START_DATE) && !jsonRequest.get(CommonConstants.START_DATE).isJsonNull()) ? jsonRequest.get(CommonConstants.START_DATE).getAsString() : null;
    String toDate = (null != jsonRequest.get(CommonConstants.END_DATE) && !jsonRequest.get(CommonConstants.END_DATE).isJsonNull()) ? jsonRequest.get(CommonConstants.END_DATE).getAsString() : null;

    // Validate presence of both dates (110006)
    if (fromDate == null || toDate == null) {
        log.error("Both start and end dates are required but missing.");
        throw new ServiceException(CommonConstants.AIMIA_ERROR_110006);
    }

    // Skip validation - commented out
    /*
    try {
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss");
        LocalDateTime.parse(fromDate, formatter);
    } catch (DateTimeParseException e) {
        log.error("Invalid start date format: " + fromDate, e);
        throw new ServiceException(CommonConstants.AIMIA_ERROR_110008);
    }
    */

    if (null != fromDate && null != toDate) {
        String fmtFromDate = formateDate(fromDate);
        String fmtTodate = formateDate(toDate);
        serviceURL = getMemberInteractionsURL() + "?fromDate=" + fmtFromDate + "&toDate=" + fmtTodate;
    }

    connection = invokeAIMIAservice(serviceURL, jsonRequest, CommonConstants.POST, "programActivities");
    if (null != connection && connection.getResponseCode() == HTTP_SUCCESS_REPONSE_CODE && connection.getResponseMessage().equals(HTTP_SUCCESS_REPONSE_MESSAGE)) {
        programActivitiesRS = mapProgramActivitiesRS(programActivitiesRQ, jsonResponse, jsonParser, connection);
    }
    return programActivitiesRS;
}