maybe function FindUserPhone(name){
	connection = unwrap connect_to_server();
    user_id = unwrap connection.find_user_by_name(name);

    return connection.find_phone_by_user_id(user_id);
}



function FindUserPhone(name){
	connection = connect_to_server();
    if ( !connection ){
		return;
	}
    user_id = connection.find_user_by_name(name);
	if ( !user_id ){
		return;
	}

    return connection.find_phone_by_user_id(user_id);
}