Request for session opening.
<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:avia="http://ws-ibe.com/Avia" xmlns:stl="http://ws-ibe.com/STL">
<soapenv:Header/>
<soapenv:Body>
<avia:OpenSession>
<avia:Request>
<stl:Requisites>
<stl:AuthToken>token010203D</stl:AuthToken>
</stl:Requisites>
<stl:UserID>100</stl:UserID>
<stl:RequestType>Р</stl:RequestType>
<stl:RequestBody>
<avia:Source>-12345</avia:Source>
</stl:RequestBody>
</avia:Request>
</avia:OpenSession>
</soapenv:Body>
</soapenv:Envelope>
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/">
<s:Body>
<OpenSessionResponse xmlns="http://ws-ibe.com/Avia">
<OpenSessionResult xmlns:a="http://ws-ibe.com/STL" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
<a:RequestID>1159630944</a:RequestID>
<a:ResponseBody>
<SessionID>QW1hZGV1c19MRURIWTM4QUFfVEVTVF8x</SessionID>
</a:ResponseBody>
</OpenSessionResult>
</OpenSessionResponse>
</s:Body>
</s:Envelope>