inform((_:search,area,'centre');(_:search,type,'Restaurant'))
user
I looking for a restaurant in centre .
inform((_:result,area,'centre');(_:result,food,'asian oriental');(_:result,name,'dojo noodle bar');(_:result,type,'Restaurant'))
system
dojo noodle bar is a nice restaurant in the centre of town , it serves asian oriental food .
inform((_:search,pricerange,'moderately');(_:search,type,'Restaurant'))
user
Is that restaurant moderately priced ?
request((_:search,area,?);(_:search,food,?);(_:search,pricerange,?);(_:search,type,'Restaurant'))
system
What criteria are you searching for concerning dining ?
inform((_:search,area,'centre');(_:search,food,'european');(_:search,pricerange,'moderately');(_:search,type,'Restaurant'))
user
I 'm looking for a moderately priced European restaurant located near the centre ?
inform((_:result,count,'4');(_:result,type,'Restaurant'))
system
great , i have 4 options for you to choose from !
request((_:result,address,?);(_:result,phone,?);(_:result,postcode,?);(_:result,type,'Restaurant'))
user
Please make a suggestion and provide the postcode , address , and phone number .
inform((_:result,address,'15 - 19 Trumpington Street');(_:result,name,'hotel du vin and bistro');(_:result,phone,'01223227330');(_:result,postcode,'cb21qa');(_:result,type,'Restaurant'))
system
The hotel du vin and bistro is my favorite . Address is 15 - 19 Trumpington Street cb21qa , phone 01223227330
inform((_:search,day,'saturday');(_:search,departure,'cambridge');(_:search,destination,'kings lynn');(_:search,leave_at,'20:15');(_:search,type,'Train'))
user
I 'm also looking for a train that leaves after 20:15 on Saturday .   I need to go to Kings Lynn from Cambridge please .   Do you have anything ?
inform((_:result,arrive_by,'21:58');(_:result,id,'TR6633');(_:result,leave_at,'21:11');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
Yes , the TR6633 leaves at 21:11 and arrives by 21:58 . Would you like me to make a reservation for you ?
inform((_:search,people,'four');(_:search,type,'Train')) request((_:result,ref,?);(_:result,type,'Train'))
user
yes please . book it for four people and send me the reference number .
system
Your train is booked , the total fee is 31.36 GBP payable at the station and 
  the reference number is : 63QMG2XO . May i help you with something else ?
_:search area centre
_:search type Restaurant
_:search area centre
_:result area centre
_:result food asian oriental
_:result name dojo noodle bar
_:result type Restaurant
_:search pricerange moderately
_:search type Restaurant
_:result area centre
_:result food asian oriental
_:result name dojo noodle bar
_:result type Restaurant
_:search area centre
_:search food european
_:search pricerange moderately
_:search type Restaurant
_:result area centre
_:result food asian oriental
_:result name dojo noodle bar
_:search area centre
_:search food european
_:search pricerange moderately
_:search type Restaurant
_:result count 4
_:result type Restaurant
_:result address ?
_:result phone ?
_:result postcode ?
_:result area centre
_:result food asian oriental
_:search area centre
_:search food european
_:search pricerange moderately
_:result count 4
_:result address 15 - 19 Trumpington Street
_:result name hotel du vin and bistro
_:result phone 01223227330
_:result postcode cb21qa
_:result type Restaurant
_:search day saturday
_:search departure cambridge
_:search destination kings lynn
_:search leave_at 20:15
_:search type Train
_:result area centre
_:result food asian oriental
_:search area centre
_:search food european
_:search pricerange moderately
_:result count 4
_:result address 15 - 19 Trumpington Street
_:result name hotel du vin and bistro
_:result phone 01223227330
_:result postcode cb21qa
_:search day saturday
_:search departure cambridge
_:search destination kings lynn
_:search leave_at 20:15
_:result arrive_by 21:58
_:result id TR6633
_:result leave_at 21:11
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people four
_:search type Train
_:result ref ?