inform((_:search,arrive_by,'11:00');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
Where is the train that arrives at 11:00 and leaves to Cambridge ?
request((_:search,day,?);(_:search,departure,?);(_:search,type,'Train'))
system
What day do you wish to travel and where are you departing from ?
inform((_:search,day,'friday');(_:search,departure,'broxbourne');(_:search,type,'Train'))
user
I want to depart from Broxbourne on Friday .
inform((_:result,arrive_by,'10:32');(_:result,destination,'Cambridge');(_:result,id,'TR2145');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
TR2145 arrives in Cambridge by 10:32 .   Would that work for you ?
inform((_:search,people,'6');(_:search,type,'Train'))
user
Yes . Please book for 6 people .
reqmore() inform((_:booking,category,'Train');(_:booking,people,'6');(_:booking,ref,'AUQ1WQY3');(_:booking,type,'Booking'))
system
Okay , tickets fro 6 have been booked ! Your reference number is AUQ1WQY3 . Can I help you with anything else ?
inform((_:search,category,'night club');(_:search,type,'Attraction')) thank()
user
Thank you . Now I would like to party all night at a good night club . Can you help with that ?
inform((_:result,category,'nightclub');(_:result,type,'Attraction'))
system
Yes , I can help you find a nightclub .
inform((_:search,area,'west');(_:search,type,'Attraction'))
user
I would like one in the west .
canthelp((_:search,area,'west');(_:search,category,'nightclubs');(_:search,type,'Attraction'))
system
I 'm so sorry , I 'm not showing any nightclubs in the west . Could I look in a different part of town for you ?
inform((_:search,category,'colleges');(_:search,type,'Attraction'))
user
Okay are there any good colleges in that area ?
inform((_:result,name,'Queens college');(_:result,type,'Attraction')) reqmore()
system
Queens college would fit that criteria . can I get you more info on it ?
request((_:result,entrance_fee,?);(_:result,type,'Attraction'))
user
What 's the entrance fee ?
reqmore() inform((_:result,entrance_fee,'2.50 pounds');(_:result,type,'Attraction'))
system
The entrance fee is 2.50 pounds . Did you need any more information ?
request((_:result,address,?);(_:result,postcode,?);(_:result,type,'Attraction'))
user
Yes , I also need the address and postcode please .
reqmore() inform((_:result,address,'Silver Street');(_:result,postcode,'CB39ET');(_:result,type,'Attraction'))
system
Sure ! It 's on Silver Street , and the postcode is CB39ET . Can I help you with anything else ?
inform((_:search,type,'Train'))
user
Nothing more . Thank you for the train and college information . Goodbye .
system
you 're welcome , enjoy your visit !
_:search arrive_by 11:00
_:search destination cambridge
_:search type Train
_:search arrive_by 11:00
_:search destination cambridge
_:search day friday
_:search departure broxbourne
_:search type Train
_:search arrive_by 11:00
_:search destination cambridge
_:search day friday
_:search departure broxbourne
_:result arrive_by 10:32
_:result destination Cambridge
_:result id TR2145
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 6
_:search type Train
_:search arrive_by 11:00
_:search destination cambridge
_:search day friday
_:search departure broxbourne
_:result arrive_by 10:32
_:result destination Cambridge
_:result id TR2145
_:result type Train
_:system offered _:booking
_:search people 6
_:system inquired _:user
_:booking category Train
_:booking people 6
_:booking ref AUQ1WQY3
_:booking type Booking
_:search category night club
_:search type Attraction
_:search arrive_by 11:00
_:search destination cambridge
_:search day friday
_:search departure broxbourne
_:result arrive_by 10:32
_:result destination Cambridge
_:result id TR2145
_:system offered _:booking
_:search people 6
_:system inquired _:user
_:booking category Train
_:booking people 6
_:booking ref AUQ1WQY3
_:booking type Booking
_:search category night club
_:result category nightclub
_:result type Attraction
_:search area west
_:search type Attraction
_:search arrive_by 11:00
_:search destination cambridge
_:search day friday
_:search departure broxbourne
_:result arrive_by 10:32
_:result destination Cambridge
_:result id TR2145
_:system offered _:booking
_:search people 6
_:system inquired _:user
_:booking category Train
_:booking people 6
_:booking ref AUQ1WQY3
_:booking type Booking
_:result category nightclub
_:result type Attraction
_:search area west
_:system canthelp _:search/41c4702d
_:search/41c4702d area west
_:search/41c4702d category nightclubs
_:search/41c4702d type Attraction
_:search category colleges
_:search type Attraction
_:search arrive_by 11:00
_:search destination cambridge
_:search day friday
_:search departure broxbourne
_:result arrive_by 10:32
_:result destination Cambridge
_:result id TR2145
_:system offered _:booking
_:search people 6
_:booking category Train
_:booking people 6
_:booking ref AUQ1WQY3
_:booking type Booking
_:result category nightclub
_:search area west
_:system canthelp _:search/41c4702d
_:search/41c4702d area west
_:search/41c4702d category nightclubs
_:search/41c4702d type Attraction
_:search category colleges
_:search type Attraction
_:result name Queens college
_:result type Attraction
_:system inquired _:user
_:result entrance_fee ?
_:search arrive_by 11:00
_:search destination cambridge
_:search day friday
_:search departure broxbourne
_:result arrive_by 10:32
_:result destination Cambridge
_:result id TR2145
_:system offered _:booking
_:search people 6
_:booking category Train
_:booking people 6
_:booking ref AUQ1WQY3
_:booking type Booking
_:result category nightclub
_:search area west
_:system canthelp _:search/41c4702d
_:search/41c4702d area west
_:search/41c4702d category nightclubs
_:search/41c4702d type Attraction
_:search category colleges
_:search type Attraction
_:result name Queens college
_:system inquired _:user
_:result entrance_fee 2.50 pounds
_:result type Attraction
_:result address ?
_:result postcode ?
_:search arrive_by 11:00
_:search destination cambridge
_:search day friday
_:search departure broxbourne
_:result arrive_by 10:32
_:result destination Cambridge
_:result id TR2145
_:system offered _:booking
_:search people 6
_:booking category Train
_:booking people 6
_:booking ref AUQ1WQY3
_:booking type Booking
_:result category nightclub
_:search area west
_:system canthelp _:search/41c4702d
_:search/41c4702d area west
_:search/41c4702d category nightclubs
_:search/41c4702d type Attraction
_:search category colleges
_:result name Queens college
_:result entrance_fee 2.50 pounds
_:system inquired _:user
_:result address Silver Street
_:result postcode CB39ET
_:result type Attraction
_:search type Train