POST /api/tws/v1.0/Limo/PostBack HTTPS/1.1
Host: app2.outtask.com/
Authorization: Basic ...
Content-Type: application/xml
Content-Length: {length of content body}

<CC_LimoPostBackRequest>
    <Error>
        <ErrorCode />
        <ErrorSource />
        <ErrorDescription />
    </Error>
    <ReservationID>1234</ReservationID>
    <Status>CB</Status>
    <ConfNum/>
    <CancelPolicy />
    <CancelNum/>
    <PrimaryPassenger>
        <FirstName>Chris</FirstName>
        <LastName>Miller</LastName>
        <Phone>5551234567</Phone>
        <Phone2>5551234568</Phone2>
        <CellPhone>5551234555</CellPhone>
        <EmailAddress>cmiller@example.com</EmailAddress>
    </PrimaryPassenger>
    <ServiceType>110</ServiceType>
    <ClassOfService />
    <PickupLocation>
        <LocationType>100</LocationType>
        <Airport>
            <AirportCode />
            <Flight>
                <CarrierCode />
                <FlightNumber />
                <ArrivalDateTime />
            </Flight>
        </Airport>
        <TrainStation>
            <StationCode />
            <StationName />
            <City />
            <State />
            <Train>
                <CarrierCode />
                <CarrierName />
                <TrainNumber />
            </Train>
        </TrainStation>
        <Address>209 Madison St #400</Address>
        <City>Alexandria</City>
        <State>VA</State>
        <Country>US</Country>
        <PostalCode>22314</PostalCode>
        <ExtraNotes />
    </PickupLocation>
    <DropoffLocation>
        <LocationType>200</LocationType>
        <Airport>
            <AirportCode>DCA</AirportCode>
            <Flight>
                <CarrierCode>UA</CarrierCode>
                <FlightNumber>333</FlightNumber>
                <DepartureDateTime>2012-02-19T11:29:00</DepartureDateTime>
            </Flight>
        </Airport>
        <TrainStation>
            <StationCode />
            <StationName />
            <City />
            <State />
            <Train>
                <CarrierCode />
                <CarrierName />
                <TrainNumber />
                <DepartureDateTime />
            </Train>
        </TrainStation>
        <Address />
        <City />
        <State />
        <Country />
        <PostalCode />
        <ExtraNotes />
    </DropoffLocation>
    <StartDateTime>2012-02-19T09:00:00</StartDateTime>
    <EndDateTime />
    <PickupInstructions>pick me up</PickupInstructions>
    <DropoffInstructions>None</DropoffInstructions>
    <LanguageCode>en-us</LanguageCode>
    <Currency>USD</Currency>
    <NumPassengers>1</NumPassengers>
    <RequestedDriver />
    <SpecialServiceRequest />
    <PickupServiceArrangement />
    <DropoffServiceArrangement />
    <ExtraStopArrangement />
    <RateInfo>
        <RateID>5</RateID>
        <Rate>42.50</Rate>
        <RateTypeCode>E</RateTypeCode>
        <CategoryCode />
        <MinHours />
        <Currency>US</Currency>
        <NoRateText />
        <DiscountType />
        <BasePrice>35.00</BasePrice>
        <ServiceCharge>5.00</ServiceCharge>
        <SurCharge desc="fuel">1.00</SurCharge>
        <Tax>1.50</Tax>
        <ExtraPickupCharge />
        <ExtraDropoffCharge />
        <OptionalExtraStopCharge />
        <OptionalExtraTimeCharge />
        <Message />
    </RateInfo>
    <RateDisclaimer />
    <Vehicle>
        <VehicleType>100</VehicleType>
        <Description>This is a Sedan.</Description>
        <MaxPassengers>1</MaxPassengers>
        <VehicleID>12</VehicleID>
    </Vehicle>
    <Vendor>
        <VendorCode>LML</VendorCode>
        <VendorName>LimoVendor</VendorName>
        <PhoneNumber>4354654654</PhoneNumber>
    </Vendor>
    <ProviderFeedback />
    <FormOfPayment>
        <Cash />
        <Check />
        <DirectBilling />
        <CreditCard>
            <Type>VI</Type>
            <Number>XXXXXXXXXXXX1111</Number>
            <Expiration>2013-02-19</Expiration>
        </CreditCard>
    </FormOfPayment>
    <AccountingInfo>
        <AccountingField1>715</AccountingField1>
        <AccountingField2>temp@outtask.com</AccountingField2>
        <AccountingField3>11</AccountingField3>
        <AccountingField4>Development</AccountingField4>
        <AccountingField5/>
    </AccountingInfo>
</CC_LimoPostBackRequest>

HTTPS/1.1 200 OK
Content-Type: application/xml

<CC_LimoPostBackResponse>
    <Success>Updated Trip Status successfully.</Success>
</CC_LimoPostBackResponse>