inform((_:search,area,'center');(_:search,food,'the americas');(_:search,type,'Restaurant'))
user
I 'm looking for a restaurant in the center of town that serves food from the americas .
canthelp((_:search,type,'Restaurant'))
system
I 'm sorry , but there are no restaurants that meet your requirements . Would you like to broaden your search criteria ?
inform((_:search,area,'same area');(_:search,food,'italian');(_:search,type,'Restaurant'))
user
Yes , let 's look for an Italian restaurant in the same area .
canthelp((_:search,type,'Restaurant')) request((_:search,food,?);(_:search,type,'Restaurant'))
system
I 'm sorry , I 'm afraid I ca n't find any restaurant in this area that serve that type of food .   Are there any other types I can help you find ?
inform((_:search,area,'center');(_:search,food,'italian');(_:search,type,'Restaurant'))
user
Can you check again to see if there are any italian restaurants in the center of town ?
request((_:search,pricerange,?);(_:search,type,'Restaurant')) inform((_:result,area,'centrally located');(_:result,count,'9');(_:result,food,'Italian');(_:result,type,'Restaurant'))
system
There are 9 Italian restaurants which are centrally located , do you have a price range ?
request((_:result,address,?);(_:result,type,'Restaurant'))
user
No , any of those are fine . Could I get the address for one of them ?
reqmore() inform((_:result,address,'47 - 53 Regent Street');(_:result,name,'Zizzi');(_:result,type,'Restaurant'))
system
Zizzi is located at 47 - 53 Regent Street . Can I help you with anything else ?
inform((_:search,day,'monday');(_:search,departure,'kings lynn');(_:search,type,'Train'))
user
Yes , I also need a train that will be departing from Kings Lynn on Monday .
inform((_:result,count,'19');(_:result,day,'friday');(_:result,departure,'kings lynn');(_:result,type,'Train')) request((_:search,destination,?);(_:search,type,'Train'))
system
There are 19 trains leaving kings lynn on friday . Where would you like to go ?
inform((_:search,arrive_by,'9:30');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
I would like a train headed to cambridge that arrives by 9:30 .
inform((_:result,arrive_by,'08:58');(_:result,destination,'Cambridge');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
Yes I have a train that arrives in Cambridge by 08:58 . All other trains arrive after 09:30 . Would you like me to book it for you ?
inform((_:search,people,'6');(_:search,type,'Train')) request((_:result,ref,?);(_:result,type,'Train'))
user
Yes . I want to book 6 people . I need the reference number as well .
reqmore() inform((_:booking,category,'Train');(_:booking,id,'TR4758');(_:booking,ref,'S080H7HT');(_:booking,ticket,'58.8 GBP');(_:booking,type,'Booking'))
system
Booking was successful for TR4758 , the total fee is 58.8 GBP payable at the station . Your reference number is : S080H7HT . Is there anything else I can help with ?
thank()
user
This is all I need for now , thank you .
system
Enjoy your trip !
_:search area center
_:search food the americas
_:search type Restaurant
_:system canthelp _:search/0bdd3b8d
_:search/0bdd3b8d type Restaurant
_:search area same area
_:search food italian
_:search type Restaurant
_:system canthelp _:search/0bdd3b8d
_:search/0bdd3b8d type Restaurant
_:system canthelp _:search/99a49423
_:search/99a49423 type Restaurant
_:search area center
_:search food italian
_:search type Restaurant
_:system canthelp _:search/0bdd3b8d
_:search/0bdd3b8d type Restaurant
_:system canthelp _:search/99a49423
_:search/99a49423 type Restaurant
_:search area center
_:search food italian
_:search pricerange ?
_:search type Restaurant
_:result area centrally located
_:result count 9
_:result food Italian
_:result type Restaurant
_:result address ?
_:system canthelp _:search/0bdd3b8d
_:search/0bdd3b8d type Restaurant
_:system canthelp _:search/99a49423
_:search/99a49423 type Restaurant
_:search area center
_:search food italian
_:search pricerange ?
_:result area centrally located
_:result count 9
_:result food Italian
_:system inquired _:user
_:result address 47 - 53 Regent Street
_:result name Zizzi
_:result type Restaurant
_:search day monday
_:search departure kings lynn
_:search type Train
_:system canthelp _:search/0bdd3b8d
_:search/0bdd3b8d type Restaurant
_:system canthelp _:search/99a49423
_:search/99a49423 type Restaurant
_:search area center
_:search food italian
_:search pricerange ?
_:result area centrally located
_:result food Italian
_:system inquired _:user
_:result address 47 - 53 Regent Street
_:result name Zizzi
_:search day monday
_:search departure kings lynn
_:result count 19
_:result day friday
_:result departure kings lynn
_:result type Train
_:search arrive_by 9:30
_:search destination cambridge
_:search type Train
_:system canthelp _:search/0bdd3b8d
_:search/0bdd3b8d type Restaurant
_:system canthelp _:search/99a49423
_:search/99a49423 type Restaurant
_:search area center
_:search food italian
_:search pricerange ?
_:result area centrally located
_:result food Italian
_:system inquired _:user
_:result address 47 - 53 Regent Street
_:result name Zizzi
_:search day monday
_:search departure kings lynn
_:result count 19
_:result day friday
_:result departure kings lynn
_:search arrive_by 9:30
_:search destination cambridge
_:result arrive_by 08:58
_:result destination Cambridge
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 6
_:search type Train
_:result ref ?
_:system canthelp _:search/0bdd3b8d
_:search/0bdd3b8d type Restaurant
_:system canthelp _:search/99a49423
_:search/99a49423 type Restaurant
_:search area center
_:search food italian
_:search pricerange ?
_:result area centrally located
_:result food Italian
_:result address 47 - 53 Regent Street
_:result name Zizzi
_:search day monday
_:search departure kings lynn
_:result count 19
_:result day friday
_:result departure kings lynn
_:search arrive_by 9:30
_:search destination cambridge
_:result arrive_by 08:58
_:result destination Cambridge
_:result type Train
_:system offered _:booking
_:search people 6
_:search type Train
_:result ref ?
_:system inquired _:user
_:booking category Train
_:booking id TR4758
_:booking ref S080H7HT
_:booking ticket 58.8 GBP
_:booking type Booking