<xs:element name="PassengerNameReference" minOccurs="0" maxOccurs="99">
    <xs:annotation>
        <xs:documentation xml:lang="en">A reference to the passenger name number to be ticketed.  A range of name numbers may also be requested.</xs:documentation>
    </xs:annotation>
    <xs:complexType>
        <xs:attribute name="SurnameRefNumber" type="Numeric1to99" use="optional">
            <xs:annotation>
                <xs:documentation xml:lang="en">Specifies the surname name number.</xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="GivenNameRefNumber" type="Numeric1to99" use="optional">
            <xs:annotation>
                <xs:documentation xml:lang="en">Specifies the given name number.</xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="RangePosition" use="optional">
            <xs:annotation>
                <xs:documentation xml:lang="en">Specifies whether this is first or last passenger name number in a range.</xs:documentation>
            </xs:annotation>
            <xs:simpleType>
                <xs:restriction base="xs:NMTOKEN">
                    <xs:enumeration value="First">
                        <xs:annotation>
                            <xs:documentation xml:lang="en">Indicates that the surname and given name reference numbers represent the first passenger name in a range of passengers to be ticketed. </xs:documentation>
                        </xs:annotation>
                    </xs:enumeration>
                    <xs:enumeration value="Last">
                        <xs:annotation>
                            <xs:documentation xml:lang="en">Indicates that the surname and given name reference numbers represent the last passenger name in a range of passengers to be ticketed.</xs:documentation>
                        </xs:annotation>
                    </xs:enumeration>
                </xs:restriction>
            </xs:simpleType>
        </xs:attribute>
        <xs:attribute name="PassengerTypeCode" type="AlphaLength3" use="optional">
            <xs:annotation>
                <xs:documentation xml:lang="en">Used to identify the PTC code (passenger type code) for the passenger (e.g. infant).</xs:documentation>
            </xs:annotation>
        </xs:attribute>
    </xs:complexType>
</xs:element>