inform((_:search,category,'colleges');(_:search,type,'Attraction'))
user
Hello , any interesting colleges in town ?
request((_:search,area,?);(_:search,type,'Attraction')) inform((_:result,category,'colleges');(_:result,count,'18');(_:result,type,'Attraction'))
system
I am showing 18 colleges . Is there a certain area of town you would like ?
inform((_:search,area,'dontcare');(_:search,type,'Attraction')) request((_:result,category,?);(_:result,type,'Attraction'))
user
Not really .   Which do you think would be the most interesting to visit ?
select((_:result,entrance_fee,'2 pounds');(_:result,entrance_fee,'free');(_:result,type,'Attraction')) inform((_:result,area,'centre');(_:result,area,'west');(_:result,name,"Christ 's college");(_:result,name,'Corpus Christi');(_:result,name,'Corpus Christi college');(_:result,type,'Attraction'))
system
I would suggest Christ 's college in the city centre or Corpus Christi college in the west .   Christ 's college is free and Corpus Christi costs 2 pounds ? Which do you want ?
inform((_:search,name,'corpus christi');(_:search,type,'Attraction')) request((_:result,postcode,?);(_:result,type,'Attraction'))
user
What is the postcode of Corpus Christi ?
reqmore() inform((_:result,postcode,'cb21rh');(_:result,type,'Attraction'))
system
Their postcode is cb21rh . Can I assist you with anything else ?
inform((_:search,category,'guesthouse');(_:search,type,'Hotel'))
user
I am looking for a guesthouse to stay in .
request((_:search,pricerange,?);(_:search,type,'Hotel')) inform((_:result,category,'guesthouses');(_:result,count,'24');(_:result,type,'Hotel'))
system
I have 24 guesthouses .   Let 's narrow it down a bit .   Do you have a price range ?
inform((_:search,has_parking,'yes');(_:search,stars,'4');(_:search,type,'Hotel'))
user
I need something with free parking and a 4 star rating .
inform((_:result,name,'Acorn guest house');(_:result,type,'Hotel')) request((_:search,area,?);(_:search,pricerange,?);(_:search,type,'Hotel')) inform((_:result,count,'16');(_:result,type,'Hotel'))
system
That cuts it down to 16 . I can recommend the Acorn guest house , or do you have a pricerange or area of town you want to stay in ?
inform((_:search,area,'dontcare');(_:search,day,'thursday');(_:search,people,'6');(_:search,stay,'3');(_:search,type,'Hotel'))
user
Pick any of them , please . Book it for 6 people and 3 nights , starting thursday .
system
Booking was successful . 
 Reference number is : 2WPLODLS .   is there anything else i can help you with ?
_:search category colleges
_:search type Attraction
_:search category colleges
_:result category colleges
_:result count 18
_:result type Attraction
_:search area dontcare
_:search type Attraction
_:result category ?
_:search category colleges
_:result category colleges
_:result count 18
_:search area dontcare
_:result category ?
_:result entrance_fee 2 pounds
_:result entrance_fee free
_:result area centre
_:result area west
_:result name Christ 's college
_:result name Corpus Christi
_:result name Corpus Christi college
_:result type Attraction
_:search name corpus christi
_:search type Attraction
_:result postcode ?
_:result category colleges
_:result count 18
_:search area dontcare
_:result category ?
_:result entrance_fee 2 pounds
_:result entrance_fee free
_:result area centre
_:result area west
_:result name Christ 's college
_:result name Corpus Christi
_:result name Corpus Christi college
_:search name corpus christi
_:system inquired _:user
_:result postcode cb21rh
_:result type Attraction
_:search category guesthouse
_:search type Hotel
_:search area dontcare
_:result entrance_fee 2 pounds
_:result entrance_fee free
_:result area centre
_:result area west
_:result name Christ 's college
_:result name Corpus Christi
_:result name Corpus Christi college
_:search name corpus christi
_:system inquired _:user
_:result postcode cb21rh
_:search category guesthouse
_:search pricerange ?
_:result category guesthouses
_:result count 24
_:result type Hotel
_:search has_parking yes
_:search stars 4
_:search type Hotel
_:result entrance_fee 2 pounds
_:result entrance_fee free
_:result area centre
_:result area west
_:search name corpus christi
_:system inquired _:user
_:result postcode cb21rh
_:search category guesthouse
_:result category guesthouses
_:search has_parking yes
_:search stars 4
_:result name Acorn guest house
_:search pricerange ?
_:result count 16
_:result type Hotel
_:search area dontcare
_:search day thursday
_:search people 6
_:search stay 3
_:search type Hotel