<aura:component implements="flexipage:availableForRecordHome,force:hasRecordId,force:lightningQuickAction" access="global" >
    <aura:attribute name="disabled" type="Boolean" default="false" />
    <aura:attribute name="saved" type="Boolean" default="false" />
    <aura:attribute name="showSpinner" type="Boolean" default="true" />
    <aura:attribute name="recordId" type="String" />
    <aura:if isTrue="{!v.showSpinner}">
        <lightning:spinner />
    </aura:if>
    <aura:if isTrue="{!!v.saved}">
        <lightning:recordEditForm
            onload="{!c.handleLoad}"
            onsubmit="{!c.handleSubmit}"
            onsuccess="{!c.handleSuccess}"
            objectApiName="Employee_Session__c"
            >
            <!-- the messages component is for error messages -->
            <lightning:messages />
            <lightning:inputField fieldName="Name" value="{!v.recordID.Name + ' MM/dd/yyyy'}"/>
            <lightning:inputField fieldName="Employee__c" value="{!v.recordId}" />

*subsequent code removed as not needed.

<aura:attribute name="nameUpdated" type="String" />
<lightning:inputField fieldName="Name" value="{!v.nameUpdated}"/>

onload : function(cmp,event,handler){
    var somedate = ' whatever you want to add';
    var name = cmp.get("v.nameUpdated");
    cmp.set("v.nameUpdated",name + somedate);

    }