def target_confirmation(participants_list, silent=False):
    """
    Target participants to be contacted for confirmation of session slots
    """
    participants_confirmed = participants_list[2]
    participants = participants_confirmed[
        participants_confirmed["Timeslots Confirmed"] == "No"
    ]
    if silent is False:
        print(
            f"{len(participants)}"
            + " participants to seek confirmation of session slots."
        )

    return participants