inform((_:search,area,'west');(_:search,category,'nightclubs');(_:search,type,'Attraction'))
user
Hi , I 'd like some information on nightclubs located in the west please .
request((_:search,area,?);(_:search,category,?);(_:search,type,'Attraction')) canthelp((_:search,area,'West');(_:search,category,'Nightclub');(_:search,type,'Attraction'))
system
My system is not pulling up any Nightclub attractions in the West . Is there another attraction type or area you would be interested in searching ?
inform((_:search,area,'same area');(_:search,category,'college');(_:search,type,'Attraction'))
user
How about a college to visit in the same area .
inform((_:result,area,'west');(_:result,entrance_fee,'free');(_:result,name,'Magdalene College');(_:result,type,'Attraction')) reqmore()
system
Magdalene College is located in the west and is free to visit .   Would you like more information on it ?
request((_:result,postcode,?);(_:result,type,'Attraction'))
user
What is the postcode there ?
reqmore() inform((_:result,postcode,'cb30ag');(_:result,type,'Attraction'))
system
The postcode is cb30ag . Is there anything else I can help you with ?
inform((_:search,day,'wednesday');(_:search,departure,'london kings cross');(_:search,type,'Train'))
user
Yes I need a train that is departing on Wednesday from London Kings cross .
request((_:search,departure,?);(_:search,destination,?);(_:search,leave_at,?);(_:search,type,'Train')) inform((_:result,destination,'Cambridge');(_:result,type,'Train'))
system
Is there a certain time you would like to leave London ?   And will you be travelling to Cambridge ?
inform((_:search,destination,'cambridge');(_:search,leave_at,'09:30');(_:search,type,'Train'))
user
Yes , I 'm headed to Cambridge and need to leave after 09:30 .
inform((_:result,arrive_by,'12:08');(_:result,id,'TR2417');(_:result,leave_at,'11:17');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
Train TR2417 leaves at 11:17 and arrives by 12:08 .   Would you like to book that ?
inform((_:search,people,'2');(_:search,type,'Train')) request((_:result,ref,?);(_:result,type,'Train'))
user
Yes , can you book that for 2 people and give me a reference number ?
reqmore() inform((_:booking,category,'Train');(_:booking,ref,'1W7IKOHU');(_:booking,ticket,'47.2 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 47.2 GBP payable at the station . 
 Reference number is : 1W7IKOHU . Is there anything else you need ?
thank()
user
No , I believe that is everything today . Thank you .
system
Thank you ! Have a wonderful day !
_:search area west
_:search category nightclubs
_:search type Attraction
_:system canthelp _:search/863a6dd1
_:search/863a6dd1 area West
_:search/863a6dd1 category Nightclub
_:search/863a6dd1 type Attraction
_:search area same area
_:search category college
_:search type Attraction
_:system canthelp _:search/863a6dd1
_:search/863a6dd1 area West
_:search/863a6dd1 category Nightclub
_:search/863a6dd1 type Attraction
_:search area same area
_:search category college
_:search type Attraction
_:result area west
_:result entrance_fee free
_:result name Magdalene College
_:result type Attraction
_:system inquired _:user
_:result postcode ?
_:system canthelp _:search/863a6dd1
_:search/863a6dd1 area West
_:search/863a6dd1 category Nightclub
_:search/863a6dd1 type Attraction
_:search area same area
_:search category college
_:result area west
_:result entrance_fee free
_:result name Magdalene College
_:system inquired _:user
_:result postcode cb30ag
_:result type Attraction
_:search day wednesday
_:search departure london kings cross
_:search type Train
_:system canthelp _:search/863a6dd1
_:search/863a6dd1 area West
_:search/863a6dd1 category Nightclub
_:search/863a6dd1 type Attraction
_:search area same area
_:search category college
_:result area west
_:result entrance_fee free
_:result name Magdalene College
_:system inquired _:user
_:result postcode cb30ag
_:search day wednesday
_:search departure ?
_:result destination Cambridge
_:result type Train
_:search destination cambridge
_:search leave_at 09:30
_:search type Train
_:system canthelp _:search/863a6dd1
_:search/863a6dd1 area West
_:search/863a6dd1 category Nightclub
_:search/863a6dd1 type Attraction
_:search area same area
_:search category college
_:result area west
_:result entrance_fee free
_:result name Magdalene College
_:system inquired _:user
_:result postcode cb30ag
_:search day wednesday
_:search departure ?
_:result destination Cambridge
_:search destination cambridge
_:search leave_at 09:30
_:result arrive_by 12:08
_:result id TR2417
_:result leave_at 11:17
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 2
_:search type Train
_:result ref ?
_:system canthelp _:search/863a6dd1
_:search/863a6dd1 area West
_:search/863a6dd1 category Nightclub
_:search/863a6dd1 type Attraction
_:search area same area
_:search category college
_:result area west
_:result entrance_fee free
_:result name Magdalene College
_:result postcode cb30ag
_:search day wednesday
_:search departure ?
_:result destination Cambridge
_:search destination cambridge
_:search leave_at 09:30
_:result arrive_by 12:08
_:result id TR2417
_:result leave_at 11:17
_:result type Train
_:system offered _:booking
_:search people 2
_:search type Train
_:result ref ?
_:system inquired _:user
_:booking category Train
_:booking ref 1W7IKOHU
_:booking ticket 47.2 GBP
_:booking type Booking