GTA预定国际酒店

我现在要通过GTA预定国际酒店，API文档不全，谁能给发个例子，谢谢

AddBookingRequest 添加
ModifyBookingRequest 修改
CancelBookingRequest 取消
SearchBookingRequest 查询

例如。。。。
<?xml version="1.0" encoding="UTF-8"?>
<Request>
  <Source>
    <RequestorID Client="123456" EMailAddress="clientName@client.co.uk" Password="clientPassword" />
    <RequestorPreferences>
      <RequestMode>ASYNCHRONOUS</RequestMode>
      <ResponseURL>/ProcessResponse/GetXML</ResponseURL>
    </RequestorPreferences>
  </Source>
  <RequestDetails>
    <AddBookingRequest>
++++ booking 1 parameters
    </AddBookingRequest>
  </RequestDetails>
</Request>

--------------------编程问答--------------------

<?xml version="1.0" encoding="UTF-8" ?>
<Response ResponseReference="REF_D_013_261-1743-386524852169117" ResponseSequence="1">
<ResponseDetails Language="en">
<BookingResponse>
<BookingReferences>
<BookingReference ReferenceSource="client">
<![CDATA[ 28198
  ]]>
  </BookingReference>
<BookingReference ReferenceSource="api">
<![CDATA[ 3905
  ]]>
  </BookingReference>
  </BookingReferences>
  <BookingCreationDate>2011-12-30</BookingCreationDate>
  <BookingDepartureDate>2012-01-12</BookingDepartureDate>
<BookingName>
<![CDATA[ Mr. allen
  ]]>
  </BookingName>
  <BookingPrice Currency="USD" Gross="1560.00" Commission=".00" Nett="1560.00" />
<BookingStatus Code="C">
<![CDATA[ Confirmed or Completed
  ]]>
  </BookingStatus>
<PaxNames>
<PaxName PaxId="1">
<![CDATA[ Mr. allen
  ]]>
  </PaxName>
<PaxName PaxId="2">
<![CDATA[ Mr. allen1
  ]]>
  </PaxName>
<PaxName PaxId="3">
<![CDATA[ Mr. allen1
  ]]>
  </PaxName>
  </PaxNames>
<BookingItems>
<BookingItem ItemType="hotel">
  <ItemReference>1</ItemReference>
<ItemCity Code="SYD">
<![CDATA[ Sydney
  ]]>
  </ItemCity>
<Item Code="AAR">
<![CDATA[ Aarons
  ]]>
  </Item>
  <ItemPrice Currency="USD" Gross="1560.00" Commission=".00" Nett="1560.00" />
<ItemStatus Code="C">
<![CDATA[ Confirmed or Completed
  ]]>
  </ItemStatus>
  <ItemConfirmationReference>IIKF015754</ItemConfirmationReference>
<HotelItem>
<PeriodOfStay>
  <CheckInDate>2012-01-12</CheckInDate>
  <CheckOutDate>2012-01-17</CheckOutDate>
  </PeriodOfStay>
<HotelRooms>
<HotelRoom Code="DB" Id="001:AAR">
<Description>
<![CDATA[ Standard
  ]]>
  </Description>
<PaxIds>
  <PaxId>2</PaxId>
  <PaxId>3</PaxId>
  </PaxIds>
  </HotelRoom>
<HotelRoom Code="SB" Id="001:AAR">
<Description>
<![CDATA[ Standard
  ]]>
  </Description>
<PaxIds>
  <PaxId>1</PaxId>
  </PaxIds>
  </HotelRoom>
  </HotelRooms>
<Meals>
<Basis Code="N">
<![CDATA[ None
  ]]>
  </Basis>
  </Meals>
  </HotelItem>
  </BookingItem>
  </BookingItems>
  </BookingResponse>
  </ResponseDetails>
  </Response>

补充：.NET技术 ,  Web Services