inform((_:search,area,'centre');(_:search,type,'Attraction'))
user
Hi there , I 'm in the centre of town and I 'm bored . Can you tell me about what sorts of things to do there are around here ?
request((_:search,category,?);(_:search,type,'Attraction')) inform((_:result,category,'boating');(_:result,category,'cinema');(_:result,category,'concert hall');(_:result,category,'museums');(_:result,type,'Attraction'))
system
There are museums , concert hall , cinema , and boating . What kind of attraction do you find interesting ?
request((_:result,address,?);(_:result,postcode,?);(_:result,type,'Attraction'))
user
Could I have the addresses and postcodes for all of them please ?
request((_:search,category,?);(_:search,type,'Attraction'))
system
I can give you that information once we narrow down your interest to a few locations .   What type of attraction are you looking for ?
user
What do you recommend ?
inform((_:result,amount,'many');(_:result,category,'architecture');(_:result,type,'Attraction'))
system
I would recommend architecture and there are many places to visit and see great architecture .
inform((_:search,category,'architecture');(_:search,type,'Attraction')) request((_:result,address,?);(_:result,postcode,?);(_:result,type,'Attraction'))
user
Can I get the postcode , address of a great architecture place to visit please ?
inform((_:result,address,'trinity lane');(_:result,name,'old schools');(_:result,postcode,'cb21tt');(_:result,type,'Attraction')) reqmore()
system
I would recommend old schools , located on trinity lane , post code cb21tt .   Is there anything else I can help you with ?
inform((_:search,day,'friday');(_:search,departure,'broxbourne');(_:search,type,'Train'))
user
Yes , I need a train . I 'll be departing from broxbourne on friday .
inform((_:result,count,'19');(_:result,day,'Friday');(_:result,departure,'Broxbourne');(_:result,type,'Train')) request((_:search,destination,?);(_:search,type,'Train'))
system
Okay , I have 19 trains leaving Broxbourne on Friday . Do you have a specific location you 're wanting to go to ?
inform((_:search,arrive_by,'15:45');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
Yes , my destination is cambridge .   I need to get there by 15:45 .
inform((_:result,arrive_by,'15:32');(_:result,id,'TR2144');(_:result,leave_at,'14:32');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
I have train TR2144 that departs at 14:32 and arrives by 15:32 . Would that work for you ?
request((_:result,ticket,?);(_:result,type,'Train'))
user
What is the price ?
inform((_:result,ticket,'17.90 pounds');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
It 's 17.90 pounds per ticket . Would you like to book that train ?
inform((_:search,day,'friday');(_:search,type,'Train'))
user
Yes I would like to book that ticket for Friday please .
inform((_:booking,category,'Train');(_:booking,ref,'458XMYMR');(_:booking,ticket,'17.89 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 17.89 GBP payable at the station . 
 Reference number is : 458XMYMR .
thank()
user
Thank you , that't all I needed .
bye()
system
Thank you and enjoy your visit to cambridge . Have a good day .
thank()
user
Thanks again for all your help . Goodbye .
system
Thank you you too
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_:result postcode ?
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_:result name old schools
_:result postcode cb21tt
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_:search day friday
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_:result day Friday
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_:result name old schools
_:result postcode cb21tt
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_:search day friday
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_:result count 19
_:result day Friday
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_:search arrive_by 15:45
_:search destination cambridge
_:search type Train
_:result arrive_by 15:32
_:result id TR2144
_:result leave_at 14:32
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_:result address trinity lane
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_:search departure broxbourne
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_:result day Friday
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_:search arrive_by 15:45
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_:result arrive_by 15:32
_:result id TR2144
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_:system offered _:booking
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_:result ticket 17.90 pounds
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_:search day friday
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_:result amount many
_:result category architecture
_:search category architecture
_:result address trinity lane
_:result name old schools
_:result postcode cb21tt
_:system inquired _:user
_:search departure broxbourne
_:result count 19
_:result day Friday
_:result departure Broxbourne
_:search arrive_by 15:45
_:search destination cambridge
_:result arrive_by 15:32
_:result id TR2144
_:result leave_at 14:32
_:system offered _:booking
_:result ticket 17.90 pounds
_:result type Train
_:search day friday
_:search type Train
_:booking category Train
_:booking ref 458XMYMR
_:booking ticket 17.89 GBP
_:booking type Booking
_:search area centre
_:result amount many
_:result category architecture
_:search category architecture
_:result address trinity lane
_:result name old schools
_:result postcode cb21tt
_:system inquired _:user
_:search departure broxbourne
_:result count 19
_:result day Friday
_:result departure Broxbourne
_:search arrive_by 15:45
_:search destination cambridge
_:result arrive_by 15:32
_:result id TR2144
_:result leave_at 14:32
_:system offered _:booking
_:result ticket 17.90 pounds
_:result type Train
_:search day friday
_:search type Train
_:booking category Train
_:booking ref 458XMYMR
_:booking ticket 17.89 GBP
_:booking type Booking
_:system dismissed _:user