inform((_:search,area,'east');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Can you tell me about any expensive places to dine in the east side ?
request((_:search,food,?);(_:search,type,'Restaurant')) inform((_:result,amount,'several');(_:result,type,'Restaurant'))
system
There are several .   Is there a certain type of food you would like to have ?
inform((_:search,food,'tuscan');(_:search,type,'Restaurant'))
user
I would like to go to a Tuscan restaurant , please .
request((_:search,food,?);(_:search,type,'Restaurant')) canthelp((_:search,area,'in town');(_:search,food,'Tuscan');(_:search,type,'Restaurant')) inform((_:result,food,'Italian');(_:result,type,'Restaurant'))
system
Unfortunately , there are not any Tuscan restaurants in town at all .   Is there another type of cuisine you would enjoy ? Perhaps maybe Italian ?
inform((_:search,area,'east');(_:search,food,'gastropub');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Are there any expensive restaurants in the east that serve gastropub food ?
inform((_:booking,name,'Royal standard');(_:booking,type,'Booking'))
system
Royal standard is available , would you like to try them ?
inform((_:search,day,'sunday');(_:search,duration,'14:45');(_:search,people,'4');(_:search,type,'Restaurant'))
user
Yes , could you book a table for 4 people at 14:45 on sunday ?
inform((_:booking,ref,'1CYX3L33');(_:booking,type,'Booking'))
system
I was able to do that . Your reference number is 1CYX3L33 .
thank()
user
Great ! Let me ask my wife if there was anything else she was curious about .
system
OK , I 'll be here !
inform((_:search,day,'monday');(_:search,destination,'stevenage');(_:search,type,'Train'))
user
I 'm sorry , I lied about having a wife . I just need to know if there are any trains to stevenage available on monday .
request((_:search,departure,?);(_:search,type,'Train'))
system
Where are you leaving from ?
inform((_:search,arrive_by,'15:30');(_:search,departure,'cambridge');(_:search,type,'Train'))
user
The train should arrive by 15:30 and should depart from cambridge . Sorry still no wife .
request((_:search,people,?);(_:search,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
What about your wife ? Does she need a ticket ?
request((_:result,id,?);(_:result,leave_at,?);(_:result,type,'Train'))
user
No . I just need the train ID and departure time , please .
inform((_:result,duration,'49 minutes');(_:result,id,'TR1898');(_:result,leave_at,'13:21');(_:result,type,'Train'))
system
The TR1898 meets your criteria . The departure time is 13:21 . The duration of the trip is 49 minutes .
user
I need that information emailed or faxed to me , please .
offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
Unfortunately , we do not have that capability . If we do a booking for you , we can provide you with a reference number though .
user
I think that is all the info I will need .
system
I do not have a fax machine .
user
It 's fine . I 'm over needing a fax machine . I think I 've got everything I need .
system
Great .   I hope you and your wife have a great trip .
_:search area east
_:search pricerange expensive
_:search type Restaurant
_:search area east
_:search pricerange expensive
_:result amount several
_:result type Restaurant
_:search food tuscan
_:search type Restaurant
_:result amount several
_:system canthelp _:search/d8f4acfe
_:search/d8f4acfe area in town
_:search/d8f4acfe food Tuscan
_:search/d8f4acfe type Restaurant
_:result food Italian
_:result type Restaurant
_:search area east
_:search food gastropub
_:search pricerange expensive
_:search type Restaurant
_:result amount several
_:system canthelp _:search/d8f4acfe
_:search/d8f4acfe area in town
_:search/d8f4acfe food Tuscan
_:search/d8f4acfe type Restaurant
_:result food Italian
_:result type Restaurant
_:search area east
_:search food gastropub
_:search pricerange expensive
_:booking name Royal standard
_:booking type Booking
_:search day sunday
_:search duration 14:45
_:search people 4
_:search type Restaurant
_:result amount several
_:system canthelp _:search/d8f4acfe
_:search/d8f4acfe area in town
_:search/d8f4acfe food Tuscan
_:search/d8f4acfe type Restaurant
_:result food Italian
_:result type Restaurant
_:search area east
_:search food gastropub
_:search pricerange expensive
_:booking name Royal standard
_:search day sunday
_:search duration 14:45
_:search people 4
_:search type Restaurant
_:booking ref 1CYX3L33
_:booking type Booking
_:result amount several
_:system canthelp _:search/d8f4acfe
_:search/d8f4acfe area in town
_:search/d8f4acfe food Tuscan
_:search/d8f4acfe type Restaurant
_:result food Italian
_:result type Restaurant
_:search area east
_:search food gastropub
_:search pricerange expensive
_:booking name Royal standard
_:search duration 14:45
_:search people 4
_:booking ref 1CYX3L33
_:booking type Booking
_:search day monday
_:search destination stevenage
_:search type Train
_:result amount several
_:system canthelp _:search/d8f4acfe
_:search/d8f4acfe area in town
_:search/d8f4acfe food Tuscan
_:search/d8f4acfe type Restaurant
_:result food Italian
_:result type Restaurant
_:search area east
_:search food gastropub
_:search pricerange expensive
_:booking name Royal standard
_:search duration 14:45
_:search people 4
_:booking ref 1CYX3L33
_:booking type Booking
_:search day monday
_:search destination stevenage
_:search arrive_by 15:30
_:search departure cambridge
_:search type Train
_:result amount several
_:system canthelp _:search/d8f4acfe
_:search/d8f4acfe area in town
_:search/d8f4acfe food Tuscan
_:search/d8f4acfe type Restaurant
_:result food Italian
_:result type Restaurant
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_:search food gastropub
_:search pricerange expensive
_:booking name Royal standard
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_:booking type Booking
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_:search destination stevenage
_:search arrive_by 15:30
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_:search people ?
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_:booking category Train
_:result id ?
_:result leave_at ?
_:result type Train
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_:system canthelp _:search/d8f4acfe
_:search/d8f4acfe area in town
_:search/d8f4acfe food Tuscan
_:search/d8f4acfe type Restaurant
_:result food Italian
_:search area east
_:search food gastropub
_:search pricerange expensive
_:booking name Royal standard
_:search duration 14:45
_:booking ref 1CYX3L33
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_:search arrive_by 15:30
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_:search people ?
_:search type Train
_:system offered _:booking
_:booking category Train
_:result duration 49 minutes
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_:result leave_at 13:21
_:result type Train
_:result amount several
_:system canthelp _:search/d8f4acfe
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_:search/d8f4acfe food Tuscan
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_:result duration 49 minutes
_:result id TR1898
_:result leave_at 13:21
_:result type Train
_:result amount several
_:system canthelp _:search/d8f4acfe
_:search/d8f4acfe area in town
_:search/d8f4acfe food Tuscan
_:search/d8f4acfe type Restaurant
_:result food Italian
_:search area east
_:search food gastropub
_:search pricerange expensive
_:booking name Royal standard
_:search duration 14:45
_:booking ref 1CYX3L33
_:booking type Booking
_:search day monday
_:search destination stevenage
_:search arrive_by 15:30
_:search departure cambridge
_:search people ?
_:search type Train
_:system offered _:booking
_:booking category Train
_:result duration 49 minutes
_:result id TR1898
_:result leave_at 13:21
_:result type Train