<clone id="BOOKING_RESPONSE" sequential="false">
    <target>
        <sequence>
            <call-template target="service_A_call_template"></call-template>
        </sequence>
    </target>
    <target>
        <sequence>
            <call-template target="service_B_call_template"></call-template>
        </sequence>
    </target>
 </clone>