<xs:element name="BookingClassAvails" minOccurs="0" maxOccurs="3">
    <xs:annotation>
        <xs:documentation xml:lang="en">A collection of availability counts per booking class.</xs:documentation>
    </xs:annotation>
    <xs:complexType>
        <xs:sequence>
            <xs:element name="BookingClassAvail" maxOccurs="26">
                <xs:annotation>
                    <xs:documentation xml:lang="en">Booking codes available to be sold for a particular flight segment.</xs:documentation>
                </xs:annotation>
                <xs:complexType>
                    <xs:attributeGroup ref="BookingClassAvailabilityGroup" />
                    <xs:attribute name="RPH" type="RPH_Type" use="optional">
                        <xs:annotation>
                            <xs:documentation xml:lang="en">RPH refers back to Marketing Cabin Type.</xs:documentation>
                        </xs:annotation>
                    </xs:attribute>
                </xs:complexType>
            </xs:element>
        </xs:sequence>
        <xs:attribute name="CabinType" type="CabinType" use="optional">
            <xs:annotation>
                <xs:documentation xml:lang="en">Marketing name as defined by an airline for the first, business or economy cabin.</xs:documentation>
            </xs:annotation>
        </xs:attribute>
    </xs:complexType>
</xs:element>