def elicit_slot(session_attrs, intent_name, slots, slot_to_elicit, message):
    """
    Elicit a slot in Lex.
    """
    return {
        'sessionAttributes': session_attrs,
        'dialogAction': {
            'type': 'ElicitSlot',
            'intentName': intent_name,
            'slots': slots,
            'slotToElicit': slot_to_elicit,
            'message': {'contentType': 'PlainText', 'content': message}
        }
    }