calling template
<cfset userService = new UserService()>
<cfset personService = new PersonService()>

UserService.cfc
component {
	writeOutput("Hello From User Service");
	public UserService function init(){
		return this;
	}
}

PersonService.cfc
<cfcomponent>
	<cfoutput>Hello From PersonService</cfoutput>
	<cffunction name="init" access="public" returntype="PersonService">
		<cfreturn this>
	</cffunction>
</cfcomponent>