This demo is very similar to Demo form with filter and ConfiForms CalendarView with intervals and dropdown for choices, but has the "text" field for storing the "names" and the in a Dynamic filter a user is presented with a text field as well

 

Search item:

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Storage format for the solution

<ac:structured-macro ac:macro-id="3b8c2c45-2ee9-4152-9cdc-da1b47a50334" ac:name="confiform" ac:schema-version="1">
  <ac:parameter ac:name="formName">items1</ac:parameter>
  <ac:rich-text-body>
    <p>
      <ac:structured-macro ac:macro-id="576d8b1b-f560-4677-8ddc-94b573040f06" ac:name="confiform-entry-register" ac:schema-version="1">
        <ac:parameter ac:name="atlassian-macro-output-type">INLINE</ac:parameter>
        <ac:rich-text-body>
          <p> </p>
        </ac:rich-text-body>
      </ac:structured-macro>
      <ac:structured-macro ac:macro-id="56e85c22-872c-44fc-a432-b120adbd5571" ac:name="confiform-field-definition" ac:schema-version="1">
        <ac:parameter ac:name="fieldName">name</ac:parameter>
        <ac:parameter ac:name="fieldLabel">Name</ac:parameter>
        <ac:parameter ac:name="type">text</ac:parameter>
      </ac:structured-macro>
    </p>
    <p>
      <ac:structured-macro ac:macro-id="938bdc7e-89dc-4931-a153-c68b4f30866e" ac:name="confiform-field-definition" ac:schema-version="1">
        <ac:parameter ac:name="fieldName">used</ac:parameter>
        <ac:parameter ac:name="fieldLabel">Used when</ac:parameter>
        <ac:parameter ac:name="type">datetimeinterval</ac:parameter>
      </ac:structured-macro>
    </p>
  </ac:rich-text-body>
</ac:structured-macro>
<p>
  <ac:structured-macro ac:macro-id="6ce6f751-e2f9-4432-915b-8d3e4816fd5e" ac:name="confiform-entry-filter" ac:schema-version="1">
    <ac:parameter ac:name="includeResetButton">true</ac:parameter>
    <ac:parameter ac:name="filterFor">calendar</ac:parameter>
    <ac:parameter ac:name="formName">items1</ac:parameter>
    <ac:parameter ac:name="resetButtonLabel">Reset form</ac:parameter>
    <ac:parameter ac:name="atlassian-macro-output-type">INLINE</ac:parameter>
    <ac:rich-text-body>
      <p>Search item: <ac:structured-macro ac:macro-id="2c0318af-f447-4135-8868-50e12ae2a208" ac:name="confiform-field" ac:schema-version="1">
          <ac:parameter ac:name="fieldName">name</ac:parameter>
        </ac:structured-macro>
      </p>
    </ac:rich-text-body>
  </ac:structured-macro>
</p>
<ac:structured-macro ac:macro-id="29b03999-c54c-4c4e-9f23-3298a5bb5a65" ac:name="confiform-calendar" ac:schema-version="1">
  <ac:parameter ac:name="groupingFieldName">used</ac:parameter>
  <ac:parameter ac:name="formName">items1</ac:parameter>
  <ac:rich-text-body>
    <p>
      <ac:structured-macro ac:macro-id="8c27efe7-c59c-4464-b5da-d86f5be43c60" ac:name="confiform-field" ac:schema-version="1">
        <ac:parameter ac:name="fieldName">name</ac:parameter>
      </ac:structured-macro> - <ac:structured-macro ac:macro-id="1f0cc347-bf18-413e-9341-7f16e53d0bc7" ac:name="confiform-field" ac:schema-version="1">
        <ac:parameter ac:name="fieldName">used</ac:parameter>
      </ac:structured-macro>
    </p>
  </ac:rich-text-body>
</ac:structured-macro>