Notify the court that you are withdrawing your request and want the action dismissed. File a Declaration or Affidavit which says that you are voluntarily withdrawing your request and asking that the case be dismissed. That should do it.
It goes without saying that getting an attorney to help you would be a good idea but that is up to you.
As the moving party or the party asking the court to grant you spousal support, you are responsible for dismissing the case. If you would like to go about it alone, you can call the Clerk's office of the court to understand what court procedures you must follow. However, to ensure you are going about the process the right way, I would recommend contacting a local family law attorney to assist you in the process.
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