inform((_:search,pricerange,'cheap');(_:search,type,'Hotel'))
user
I 'm looking for a cheap place to stay . Can you help ?
request((_:search,area,?);(_:search,type,'Hotel')) inform((_:result,amount,'a number of');(_:result,category,'hotels');(_:result,pricerange,'cheap');(_:result,type,'Hotel'))
system
I have a number of cheap hotels available ; do you want to stay in a particular area of town ?
inform((_:search,area,'dontcare');(_:search,type,'Hotel'))
user
I do n't care which area the hotel is in .
select((_:result,category,'guesthouse');(_:result,category,'hotel');(_:result,type,'Hotel'))
system
Ok , would you prefer a guesthouse or a hotel ?
inform((_:search,has_internet,'yes');(_:search,type,'Hotel'))
user
any so long as it is a 2star and has wifi
request((_:search,pricerange,?);(_:search,type,'Hotel')) canthelp((_:search,type,'Hotel'))
system
I 'm sorry I do n't have any matches . Do you want me to check a different price range ?
inform((_:search,pricerange,'expensive');(_:search,type,'Hotel'))
user
Yes , please try expensive .
canthelp((_:search,category,'guesthouse');(_:search,type,'Hotel'))
system
I 'm sorry , there 's not guesthouse fitting THAT description either .   Do you want to try a different hotel type or something ?
inform((_:search,type,'Hotel'))
user
Try either a hotel or guesthouse .
inform((_:result,area,'east');(_:result,category,'hotel');(_:result,has_internet,'none');(_:result,has_parking,'none');(_:result,name,'The express by holiday inn cambridge');(_:result,pricerange,'expensive');(_:result,stars,'2');(_:result,type,'Hotel')) offer((_:booking,type,'Booking'))
system
The express by holiday inn cambridge is a 2 star hotel in the east area that is expensive . It has wifi and parking . Would you like to make a reservation ?
inform((_:search,day,'friday');(_:search,people,'3');(_:search,stay,'3');(_:search,type,'Hotel'))
user
yes please . book it for 3 people and 3 nights starting from friday .
inform((_:booking,ref,'DAEY6JJV');(_:booking,type,'Booking'))
system
Booking was successful . 
 Reference number is : DAEY6JJV .
inform((_:search,food,'vegetarian');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Thank you . I am also looking for a restaurant that serves vegetarian food and that is expensive .
request((_:search,food,?);(_:search,type,'Restaurant')) canthelp((_:search,food,'vegetarian');(_:search,type,'Restaurant'))
system
I do n't seem to have any vegetarian restaurants . Do you have a second choice for cuisine ?
inform((_:search,food,'italian');(_:search,type,'Restaurant'))
user
Italian would be fine .
request((_:search,area,?);(_:search,type,'Restaurant')) inform((_:result,area,'around town');(_:result,count,'5');(_:result,food,'Italian');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
There are 5 expensive Italian restaurants around town is there an area you prefer ?
inform((_:search,area,'dontcare');(_:search,day,'friday');(_:search,duration,'13:45');(_:search,people,'3');(_:search,type,'Restaurant')) request((_:result,ref,?);(_:result,type,'Restaurant'))
user
No any area will work . Whatever you recommend . I need a reservation for Friday , 3 people at 13:45 . Please include the reference number .
reqmore() inform((_:booking,name,'stazione restaurant and coffee bar');(_:booking,ref,'SUY8VW');(_:booking,type,'Booking'))
system
I reserved a table for you at stazione restaurant and coffee bar , you ref # is SUY8VW , anything else for you today ?
thank()
user
No , that 's it !   Thank you for all your help !
system
ok , have a great day !
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_:result amount a number of
_:result pricerange cheap
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_:search has_internet yes
_:search type Hotel
_:result amount a number of
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_:result type Hotel
_:search has_internet yes
_:system canthelp _:search/22f192e7
_:search/22f192e7 type Hotel
_:search pricerange expensive
_:system canthelp _:search/e7a0b18e
_:search/e7a0b18e category guesthouse
_:search/e7a0b18e type Hotel
_:search type Hotel
_:result amount a number of
_:search area dontcare
_:search has_internet yes
_:system canthelp _:search/22f192e7
_:search/22f192e7 type Hotel
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_:system canthelp _:search/e7a0b18e
_:search/e7a0b18e category guesthouse
_:search/e7a0b18e type Hotel
_:result area east
_:result category hotel
_:result has_internet none
_:result has_parking none
_:result name The express by holiday inn cambridge
_:result pricerange expensive
_:result stars 2
_:result type Hotel
_:system offered _:booking
_:booking type Booking
_:search day friday
_:search people 3
_:search stay 3
_:search type Hotel
_:result amount a number of
_:search area dontcare
_:search has_internet yes
_:system canthelp _:search/22f192e7
_:search/22f192e7 type Hotel
_:system canthelp _:search/e7a0b18e
_:search/e7a0b18e category guesthouse
_:search/e7a0b18e type Hotel
_:result area east
_:result category hotel
_:result has_internet none
_:result has_parking none
_:result name The express by holiday inn cambridge
_:result pricerange expensive
_:result stars 2
_:result type Hotel
_:system offered _:booking
_:search day friday
_:search people 3
_:search stay 3
_:booking ref DAEY6JJV
_:booking type Booking
_:search food vegetarian
_:search pricerange expensive
_:search type Restaurant
_:result amount a number of
_:search area dontcare
_:search has_internet yes
_:system canthelp _:search/22f192e7
_:search/22f192e7 type Hotel
_:system canthelp _:search/e7a0b18e
_:search/e7a0b18e category guesthouse
_:search/e7a0b18e type Hotel
_:result area east
_:result category hotel
_:result has_internet none
_:result has_parking none
_:result name The express by holiday inn cambridge
_:result pricerange expensive
_:result stars 2
_:result type Hotel
_:system offered _:booking
_:search day friday
_:search people 3
_:search stay 3
_:booking ref DAEY6JJV
_:booking type Booking
_:search pricerange expensive
_:system canthelp _:search/10f81a73
_:search/10f81a73 food vegetarian
_:search/10f81a73 type Restaurant
_:search food italian
_:search type Restaurant
_:result amount a number of
_:search has_internet yes
_:system canthelp _:search/22f192e7
_:search/22f192e7 type Hotel
_:system canthelp _:search/e7a0b18e
_:search/e7a0b18e category guesthouse
_:search/e7a0b18e type Hotel
_:result category hotel
_:result has_internet none
_:result has_parking none
_:result name The express by holiday inn cambridge
_:result stars 2
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_:result area around town
_:result count 5
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_:result pricerange expensive
_:result type Restaurant
_:search area dontcare
_:search day friday
_:search duration 13:45
_:search people 3
_:search type Restaurant
_:result ref ?
_:result amount a number of
_:search has_internet yes
_:system canthelp _:search/22f192e7
_:search/22f192e7 type Hotel
_:system canthelp _:search/e7a0b18e
_:search/e7a0b18e category guesthouse
_:search/e7a0b18e type Hotel
_:result category hotel
_:result has_internet none
_:result has_parking none
_:result name The express by holiday inn cambridge
_:result stars 2
_:system offered _:booking
_:search stay 3
_:search pricerange expensive
_:system canthelp _:search/10f81a73
_:search/10f81a73 food vegetarian
_:search/10f81a73 type Restaurant
_:search food italian
_:result area around town
_:result count 5
_:result food Italian
_:result pricerange expensive
_:result type Restaurant
_:search area dontcare
_:search day friday
_:search duration 13:45
_:search people 3
_:search type Restaurant
_:result ref ?
_:system inquired _:user
_:booking name stazione restaurant and coffee bar
_:booking ref SUY8VW
_:booking type Booking