inform((_:search,area,'south');(_:search,category,'nighclub');(_:search,type,'Attraction'))
user
I 'm looking for a nighclub in the south part of the town .
inform((_:result,area,'South');(_:result,category,'nightclub');(_:result,name,'Place');(_:result,type,'Attraction'))
system
The Place is a nightclub in the South . Would you like their phone number or address ?
request((_:result,address,?);(_:result,phone,?);(_:result,postcode,?);(_:result,type,'Attraction'))
user
Yes .   I want the address , postcode and phone number .
inform((_:result,address,'22 sidney street');(_:result,phone,'01223324600');(_:result,postcode,'cb23hg');(_:result,type,'Attraction'))
system
Their address is 22 sidney street , postcode cb23hg , and their phone number is 01223324600 .
inform((_:search,departure,'cambridge');(_:search,destination,'leicester');(_:search,type,'Train'))
user
I also need a train . Cambridge to Leicester .
request((_:search,leave_at,?);(_:search,type,'Train'))
system
Sure , I can help you with that .   When were you looking to leave ?
inform((_:search,arrive_by,'15:15');(_:search,day,'saturday');(_:search,type,'Train'))
user
The train should leave on Saturday and arrive by 15:15 .
system
Booking was successful , the total fee is 37.79 GBP payable at the station . 
 Reference number is : LN5I5NN8 .
_:search area south
_:search category nighclub
_:search type Attraction
_:search area south
_:search category nighclub
_:search type Attraction
_:result area South
_:result category nightclub
_:result name Place
_:result type Attraction
_:result address ?
_:result phone ?
_:result postcode ?
_:search area south
_:search category nighclub
_:result area South
_:result category nightclub
_:result name Place
_:result address 22 sidney street
_:result phone 01223324600
_:result postcode cb23hg
_:result type Attraction
_:search departure cambridge
_:search destination leicester
_:search type Train
_:search area south
_:search category nighclub
_:result area South
_:result category nightclub
_:result name Place
_:result address 22 sidney street
_:result phone 01223324600
_:result postcode cb23hg
_:result type Attraction
_:search departure cambridge
_:search destination leicester
_:search leave_at ?
_:search arrive_by 15:15
_:search day saturday
_:search type Train