Hmm ... It's impossible ;-) This RPM doesn't exist on any FTP server

Provides :
application()
application(org.kde.kdialog.desktop)
kdialog
kdialog(x86-32)
metainfo()
metainfo(org.kde.kdialog.metainfo.xml)

Requires :

libKF5ConfigCore.so.5
libKF5CoreAddons.so.5
libKF5DBusAddons.so.5
libKF5GuiAddons.so.5
libKF5I18n.so.5
libKF5IconThemes.so.5
libKF5KIOCore.so.5
libKF5Notifications.so.5
libKF5TextWidgets.so.5
libKF5WidgetsAddons.so.5
libKF5WindowSystem.so.5
libQt5Core.so.5
libQt5Core.so.5(Qt_5)
libQt5Core.so.5(Qt_5.15)
libQt5DBus.so.5
libQt5DBus.so.5(Qt_5)
libQt5Gui.so.5
libQt5Gui.so.5(Qt_5)
libQt5Widgets.so.5
libQt5Widgets.so.5(Qt_5)
libX11.so.6
libc.so.6
libc.so.6(GLIBC_2.0)
libc.so.6(GLIBC_2.1)
libc.so.6(GLIBC_2.1.3)
libc.so.6(GLIBC_2.34)
libc.so.6(GLIBC_2.4)
libstdc++.so.6
libstdc++.so.6(CXXABI_1.3)
libstdc++.so.6(CXXABI_1.3.9)
libstdc++.so.6(GLIBCXX_3.4)
libstdc++.so.6(GLIBCXX_3.4.11)
libstdc++.so.6(GLIBCXX_3.4.32)
libstdc++.so.6(GLIBCXX_3.4.9)
rpmlib(CompressedFileNames) <= 3.0.4-1
rpmlib(FileDigests) <= 4.6.0-1
rpmlib(PayloadFilesHavePrefix) <= 4.0-1
rpmlib(PayloadIsZstd) <= 5.4.18-1

Content of RPM :
/usr/bin/kdialog
/usr/bin/kdialog_progress_helper
/usr/share/applications/org.kde.kdialog.desktop
/usr/share/dbus-1/interfaces/org.kde.kdialog.ProgressDialog.xml
/usr/share/doc/packages/kdialog
/usr/share/doc/packages/kdialog/README.md
/usr/share/licenses/kdialog
/usr/share/licenses/kdialog/COPYING.DOC
/usr/share/metainfo/org.kde.kdialog.metainfo.xml