(request
:sender A
:receiver T
:content
<BookRoundTrip>
 <StartingPoint>
   <Location CountryOfLocation="Ukraine" CityOfLocation="Kiev"/> 
 </StartingPoint>
 <Destination>
   <Location CountryOfLocation="Germany" CityOfLocation="Erfurt"/>
 </Destination>
 <Beg_Date>22/09/03</Beg_Date>
 <End_Date>25/09/03</End_Date>
 <Event>ICWS'03-Europe</Event>
 <Constraint>
   <TripConstraintName="budget" TripConstraintFormat="EUR" TripConstraintValue="1500"> 
 </Constraint>
 <Constraint>
   <TripConstraintName="payment" TripConstraintFormat="USD" TripConstraintValue="VISA"> 
 </Constraint>
 <Constraint>
   <TripConstraintName="hotel" TripConstraintFormat="StarRating" TripConstraintValue="3"> 
 </Constraint>
 <Constraint>
   <TripConstraintName="room-per-night" TripConstraintFormat="EUR" TripConstraintValue="110"> 
 </Constraint>
 <Constraint>
   <TripConstraintName="hotel-location" TripConstraintFormat="string" TripConstraintValue="in Max 20 min walk from Conference venue"> 
 </Constraint>
 <Preference>
   <TripPreferenceName="type-of-flight" TripPreferenceFormat="string" TripPreferenceValue="Non-stop flight">
 </Preference>
 <Preference>
   <TripPreferenceName="type-of-hotel" TripPreferenceFormat="string" TripPreferenceValue="4-star hotel, continental breakfast">
 </Preference>
 <Preference>
   <TripPreferenceName="discount" TripPreferenceFormat="string" TripPreferenceValue="Search for ER Conference Discounts">
 </Preference>
</BookRoundTrip>
:language Task Ontology)