inform((_:search,food,'chinese');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Hi , I want to find a Chinese place to eat that 's expensive .
request((_:search,area,?);(_:search,type,'Restaurant')) inform((_:result,count,'9');(_:result,food,'Chinese');(_:result,type,'Restaurant'))
system
There are 9 Chinese restaurants that match your criteria .   Is there a specific part of town you 'd like to dine in ?
inform((_:search,area,'north');(_:search,type,'Restaurant'))
user
I 'd like to dine in the north if possible .
inform((_:result,name,'Hakka');(_:result,name,'Hotpot');(_:result,type,'Restaurant'))
system
We have the Hakka and The Hotpot that match your search . Do you have a preference ?
inform((_:search,day,'monday');(_:search,duration,'19:15');(_:search,name,'hakka');(_:search,people,'7');(_:search,type,'Restaurant')) request((_:result,ref,?);(_:result,type,'Restaurant'))
user
Let 's go with Hakka , and make a booking for 7 people at 19:15 on Monday . And give me the reference number please .
canthelp((_:booking,ref,'4DV3FA1B');(_:booking,type,'Booking'))
system
Great the booking was successful , your reference number is 4DV3FA1B .
inform((_:search,arrive_by,'9:45');(_:search,day,'monday');(_:search,type,'Train'))
user
Thanks very much . I also need a train for Monday , arriving by 9:45 .
request((_:search,departure,?);(_:search,destination,?);(_:search,type,'Train'))
system
And where will you be traveling to and from ?
inform((_:search,departure,'stevenage');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
From stevenage to cambridge .
inform((_:result,arrive_by,'9:45');(_:result,count,'2');(_:result,leave_at,'5:54');(_:result,leave_at,'7:54');(_:result,type,'Train'))
system
There are 2 trains that arrive by 9:45 . One leaves at 5:54 and one leaves at 7:54 .
request((_:result,ticket,?);(_:result,type,'Train'))
user
I 'll take the one that arrives at 7:54 . How much do those tickets cost ?
inform((_:result,ticket,'12.80');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking')) reqmore()
system
The ticket is 12.80 . Would you like me to book this for you , or do you have other questions I can help with ?
inform((_:search,type,'Train'))
user
I 'll book the train myself . Thanks for your help today - I 'm all set !
system
It 's my pleasure . Thanks for using Cambridge TownInfo !
_:search food chinese
_:search pricerange expensive
_:search type Restaurant
_:search food chinese
_:search pricerange expensive
_:result count 9
_:result food Chinese
_:result type Restaurant
_:search area north
_:search type Restaurant
_:search food chinese
_:search pricerange expensive
_:result count 9
_:result food Chinese
_:search area north
_:result name Hakka
_:result name Hotpot
_:result type Restaurant
_:search day monday
_:search duration 19:15
_:search name hakka
_:search people 7
_:search type Restaurant
_:result ref ?
_:search food chinese
_:search pricerange expensive
_:result count 9
_:result food Chinese
_:search area north
_:result name Hakka
_:result name Hotpot
_:result type Restaurant
_:search duration 19:15
_:search name hakka
_:search people 7
_:result ref ?
_:system canthelp _:booking/f061b996
_:booking/f061b996 ref 4DV3FA1B
_:booking/f061b996 type Booking
_:search arrive_by 9:45
_:search day monday
_:search type Train
_:search food chinese
_:search pricerange expensive
_:result count 9
_:result food Chinese
_:search area north
_:result name Hakka
_:result name Hotpot
_:result type Restaurant
_:search duration 19:15
_:search name hakka
_:search people 7
_:result ref ?
_:system canthelp _:booking/f061b996
_:booking/f061b996 ref 4DV3FA1B
_:booking/f061b996 type Booking
_:search arrive_by 9:45
_:search day monday
_:search departure stevenage
_:search destination cambridge
_:search type Train
_:search food chinese
_:search pricerange expensive
_:result food Chinese
_:search area north
_:result name Hakka
_:result name Hotpot
_:search duration 19:15
_:search name hakka
_:search people 7
_:result ref ?
_:system canthelp _:booking/f061b996
_:booking/f061b996 ref 4DV3FA1B
_:booking/f061b996 type Booking
_:search arrive_by 9:45
_:search day monday
_:search departure stevenage
_:search destination cambridge
_:search type Train
_:result arrive_by 9:45
_:result count 2
_:result leave_at 5:54
_:result leave_at 7:54
_:result type Train
_:result ticket ?
_:search food chinese
_:search pricerange expensive
_:result food Chinese
_:search area north
_:result name Hakka
_:result name Hotpot
_:search duration 19:15
_:search name hakka
_:search people 7
_:result ref ?
_:system canthelp _:booking/f061b996
_:booking/f061b996 ref 4DV3FA1B
_:booking/f061b996 type Booking
_:search arrive_by 9:45
_:search day monday
_:search departure stevenage
_:search destination cambridge
_:result arrive_by 9:45
_:result count 2
_:result leave_at 5:54
_:result leave_at 7:54
_:result ticket 12.80
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:system inquired _:user
_:search type Train