inform((_:search,area,'north');(_:search,type,'Attraction'))
user
I would like to see some attractions in the North , what do you have up there ?
request((_:search,category,?);(_:search,type,'Attraction'))
system
What kind would you like to see ?
request((_:result,category,?);(_:result,type,'Attraction'))
user
Can you recommend an attraction type ?
inform((_:result,category,'boat');(_:result,category,'park');(_:result,count,'3');(_:result,type,'Attraction'))
system
There are three types available : boat , park , swimmingpool .
inform((_:search,category,'park');(_:search,type,'Attraction')) request((_:result,phone,?);(_:result,postcode,?);(_:result,type,'Attraction'))
user
Let 's go with the park . I 'll need the postcode and phone number , please ?
inform((_:result,name,'Milton Country Park');(_:result,phone,'01223420060');(_:result,postcode,'cb46az');(_:result,type,'Attraction'))
system
Okay the Milton Country Park post code is cb46az and phone number is 01223420060 .
inform((_:search,arrive_by,'19:15');(_:search,day,'wednesday');(_:search,departure,'cambridge');(_:search,destination,'peterborough');(_:search,type,'Train'))
user
I am also looking for a train form cambridge to peterborough on wednesday that arrives by 19:15 .
inform((_:result,arrive_by,'18:56');(_:result,destination,'peterborough');(_:result,id,'TR8760');(_:result,type,'Train'))
system
The TR8760 will arrive in peterborough at 18:56 . Does that give you enough time ?
inform((_:search,people,'7');(_:search,type,'Train'))
user
Yes that would be great . Can you book that for me for 7 people please .
offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
I can go ahead and book that for you .
request((_:result,ref,?);(_:result,type,'Train'))
user
Thank you . Can you tell me the reference number for the train booking please ?
inform((_:booking,category,'Train');(_:booking,ref,'QG3869DQ');(_:booking,ticket,'115.5 GBP');(_:booking,type,'Booking'))
system
Booked ! The fee is 115.5 GBP payable at the station . 
 Reference number : QG3869DQ .
thank()
user
Great ! Thanks very much for your help !
system
You 're very welcome !
_:search area north
_:search type Attraction
_:search area north
_:search category ?
_:search type Attraction
_:result category ?
_:result type Attraction
_:search area north
_:result category boat
_:result category park
_:result count 3
_:result type Attraction
_:search category park
_:search type Attraction
_:result phone ?
_:result postcode ?
_:search area north
_:result category boat
_:result category park
_:result count 3
_:search category park
_:result name Milton Country Park
_:result phone 01223420060
_:result postcode cb46az
_:result type Attraction
_:search arrive_by 19:15
_:search day wednesday
_:search departure cambridge
_:search destination peterborough
_:search type Train
_:search area north
_:result category boat
_:result category park
_:result count 3
_:search category park
_:result name Milton Country Park
_:result phone 01223420060
_:result postcode cb46az
_:search arrive_by 19:15
_:search day wednesday
_:search departure cambridge
_:search destination peterborough
_:result arrive_by 18:56
_:result destination peterborough
_:result id TR8760
_:result type Train
_:search people 7
_:search type Train
_:search area north
_:result category boat
_:result category park
_:result count 3
_:search category park
_:result name Milton Country Park
_:result phone 01223420060
_:result postcode cb46az
_:search arrive_by 19:15
_:search day wednesday
_:search departure cambridge
_:search destination peterborough
_:result arrive_by 18:56
_:result destination peterborough
_:result id TR8760
_:result type Train
_:search people 7
_:search type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result ref ?
_:search area north
_:result category boat
_:result category park
_:result count 3
_:search category park
_:result name Milton Country Park
_:result phone 01223420060
_:result postcode cb46az
_:search arrive_by 19:15
_:search day wednesday
_:search departure cambridge
_:search destination peterborough
_:result arrive_by 18:56
_:result destination peterborough
_:result id TR8760
_:result type Train
_:search people 7
_:search type Train
_:system offered _:booking
_:result ref ?
_:booking category Train
_:booking ref QG3869DQ
_:booking ticket 115.5 GBP
_:booking type Booking