<xs:element name="OTA_AirScheduleRQ">
    <xs:annotation>
        <xs:documentation xml:lang="en">
The Schedule Request message requests Flight Schedules for a city pair. Optional request information can include:
- Time / Time Window
- Connecting cities.
- Client Preferences (airlines, cabin, flight types etc.)
The request can be narrowed to request schedules for a specific airline or specific flight.
</xs:documentation>
    </xs:annotation>
    <xs:complexType>
        <xs:sequence>
            <xs:element name="POS" type="POS_Type" minOccurs="0">
                <xs:annotation>
                    <xs:documentation xml:lang="en">Point of sale object. </xs:documentation>
                </xs:annotation>
            </xs:element>
            <xs:element name="OriginDestinationInformation">
                <xs:annotation>
                    <xs:documentation xml:lang="en">Origin and Destination location, and time information for the Air Schedule request. </xs:documentation>
                </xs:annotation>
                <xs:complexType>
                    <xs:complexContent>
                        <xs:extension base="OriginDestinationInformationType">
                            <xs:attributeGroup ref="DOW_PatternGroup">
                                <xs:annotation>
                                    <xs:documentation xml:lang="en">If any day of the week attributes are set to true, only flights for those days of the week are being requested.</xs:documentation>
                                </xs:annotation>
                            </xs:attributeGroup>
                        </xs:extension>
                    </xs:complexContent>
                </xs:complexType>
            </xs:element>
            <xs:element name="FlightInfo" type="SpecificFlightInfoType" minOccurs="0">
                <xs:annotation>
                    <xs:documentation xml:lang="en">Specific airline and flight number for which a schedule is being requested. </xs:documentation>
                </xs:annotation>
            </xs:element>
            <xs:element name="VendorPref" type="CompanyNamePrefType" minOccurs="0" maxOccurs="99">
                <xs:annotation>
                    <xs:documentation xml:lang="en">Specify vendors to include and exclude from the response.</xs:documentation>
                </xs:annotation>
            </xs:element>
            <xs:element name="FlightTypePref" minOccurs="0" maxOccurs="3">
                <xs:annotation>
                    <xs:documentation xml:lang="en">Flight Type Preferences to qualify Air Schedule request. </xs:documentation>
                </xs:annotation>
                <xs:complexType>
                    <xs:attributeGroup ref="FlightTypePrefGroup" />
                </xs:complexType>
            </xs:element>
            <xs:element name="EquipPref" type="EquipmentTypePref" minOccurs="0" maxOccurs="9">
                <xs:annotation>
                    <xs:documentation xml:lang="en">Equipment Preference to qualify Air Schedule request.</xs:documentation>
                </xs:annotation>
            </xs:element>
        </xs:sequence>
        <xs:attributeGroup ref="OTA_PayloadStdAttributes" />
        <xs:attributeGroup ref="MaxResponsesGroup">
            <xs:annotation>
                <xs:documentation xml:lang="en">The maximum number of flights that may be returned in the response.</xs:documentation>
            </xs:annotation>
        </xs:attributeGroup>
    </xs:complexType>
</xs:element>