inform((_:search,category,'guesthouse');(_:search,has_internet,'dontcare');(_:search,type,'Hotel'))
user
I would like to stay at a guesthouse while I 'm in cambridge . It does n't need to have internet .
inform((_:result,area,'north');(_:result,category,'hotel');(_:result,name,'alpha - milton guest house');(_:result,pricerange,'moderately priced');(_:result,stars,'three');(_:result,type,'Hotel'))
system
I 'd recommend alpha - milton guest house in the north . It 's a moderately priced three star hotel . Would you like a room ?
inform((_:search,has_parking,'yes');(_:search,type,'Hotel'))
user
No thanks - not yet .   Does it have free parking ?
request((_:search,pricerange,?);(_:search,type,'Hotel')) inform((_:result,has_parking,'none');(_:result,type,'Hotel'))
system
Unfortunately it does not have free parking . What price range do you have in mind ? I can find you one that does have parking
inform((_:search,area,'north');(_:search,has_parking,'yes');(_:search,pricerange,'dontcare');(_:search,type,'Hotel')) request((_:result,pricerange,?);(_:result,type,'Hotel'))
user
I do n't have any price range in mind , I just want a guesthouse with free parking on the north side
inform((_:result,address,'154 chesterton road');(_:result,category,'guesthouse');(_:result,name,'acorn guest house');(_:result,pricerange,'moderately priced');(_:result,stars,'4');(_:result,type,'Hotel')) offer((_:booking,type,'Booking'))
system
I would then recommend the acorn guest house , a moderately priced 4 star guesthouse located at 154 chesterton road . Would you like to book a room ?
user
Yes , I do need to book a room .
request((_:booking,people,?);(_:booking,type,'Booking'))
system
How many people will be joining you , if any ?
inform((_:search,type,'Train'))
user
Actually , I 'll book later . Can you help me find a train though ?
system
Where do you want to travel to and from ?
_:search category guesthouse
_:search has_internet dontcare
_:search type Hotel
_:search category guesthouse
_:search has_internet dontcare
_:result area north
_:result category hotel
_:result name alpha - milton guest house
_:result pricerange moderately priced
_:result stars three
_:result type Hotel
_:search has_parking yes
_:search type Hotel
_:search category guesthouse
_:search has_internet dontcare
_:result area north
_:result category hotel
_:result name alpha - milton guest house
_:result pricerange moderately priced
_:result stars three
_:result has_parking none
_:result type Hotel
_:search area north
_:search has_parking yes
_:search pricerange dontcare
_:search type Hotel
_:result pricerange ?
_:search category guesthouse
_:search has_internet dontcare
_:result area north
_:result has_parking none
_:search area north
_:search has_parking yes
_:search pricerange dontcare
_:search type Hotel
_:result address 154 chesterton road
_:result category guesthouse
_:result name acorn guest house
_:result pricerange moderately priced
_:result stars 4
_:result type Hotel
_:system offered _:booking
_:booking type Booking
_:search category guesthouse
_:search has_internet dontcare
_:result area north
_:result has_parking none
_:search area north
_:search has_parking yes
_:search pricerange dontcare
_:result address 154 chesterton road
_:result category guesthouse
_:result name acorn guest house
_:result pricerange moderately priced
_:result stars 4
_:result type Hotel
_:system offered _:booking
_:booking people ?
_:booking type Booking
_:search type Train