inform((_:search,arrive_by,'19:00');(_:search,day,'monday');(_:search,type,'Train'))
user
Hi , can you help me find a train arriving by 19:00 that leaves on Monday ?
request((_:search,departure,?);(_:search,destination,?);(_:search,type,'Train'))
system
Where are you departing from , and arriving to ?
inform((_:search,departure,'cambridge');(_:search,destination,'ely');(_:search,type,'Train'))
user
I will b departing from Cambridge and arriving in Ely .
inform((_:result,arrive_by,'18:07');(_:result,id,'TR4294');(_:result,leave_at,'17:50');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
TR4294 will leave at 17:50 and arrive by 18:07 . Do you need to book tickets ?
inform((_:search,people,'8');(_:search,type,'Train'))
user
Yes , I will actually need 8 tickets , it will be a group of us .
inform((_:booking,category,'Train');(_:booking,ref,'WWKNFTGL');(_:booking,ticket,'35.2 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 35.2 GBP payable at the station . 
 Reference number is : WWKNFTGL .
inform((_:search,area,'west');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Could I also find an expensive restaurant in the west ?
request((_:search,food,?);(_:search,type,'Restaurant')) inform((_:result,amount,'many');(_:result,type,'Restaurant'))
system
There are many to choose from , Do you have a specific food type or would you like me to make a recommendation ?
inform((_:search,day,'monday');(_:search,duration,'13:15');(_:search,food,'italian');(_:search,people,'8');(_:search,type,'Restaurant'))
user
An Italian restaurant and I need a reservation for 8 at 13:15 on Monday .
request((_:search,area,?);(_:search,type,'Restaurant')) canthelp((_:search,area,'West');(_:search,food,'Italian');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
system
There are no expensive Italian places in the West . Is there another area I may check ?
inform((_:search,day,'monday');(_:search,duration,'13:15');(_:search,people,'8');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
No just choose another type of expensive place to dine for me and book a table at 13:15 for 8 people from Monday .
inform((_:booking,ref,'SIKPOBWY');(_:booking,type,'Booking');(_:result,food,'European');(_:result,name,'cambridge lodge restaurant');(_:result,type,'Restaurant'))
system
Okay , cambridge lodge restaurant serves European food .   The booking was successful . The table will be reserved for 15 minutes . Your reference number is : SIKPOBWY .
thank()
user
Thanks , that is all for now . Goodbye .
system
Have a good night !
_:search arrive_by 19:00
_:search day monday
_:search type Train
_:search arrive_by 19:00
_:search day monday
_:search departure cambridge
_:search destination ely
_:search type Train
_:search arrive_by 19:00
_:search day monday
_:search departure cambridge
_:search destination ely
_:result arrive_by 18:07
_:result id TR4294
_:result leave_at 17:50
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 8
_:search type Train
_:search arrive_by 19:00
_:search day monday
_:search departure cambridge
_:search destination ely
_:result arrive_by 18:07
_:result id TR4294
_:result leave_at 17:50
_:result type Train
_:system offered _:booking
_:search people 8
_:booking category Train
_:booking ref WWKNFTGL
_:booking ticket 35.2 GBP
_:booking type Booking
_:search area west
_:search pricerange expensive
_:search type Restaurant
_:search arrive_by 19:00
_:search departure cambridge
_:search destination ely
_:result arrive_by 18:07
_:result id TR4294
_:result leave_at 17:50
_:system offered _:booking
_:booking category Train
_:booking ref WWKNFTGL
_:booking ticket 35.2 GBP
_:booking type Booking
_:search area west
_:search pricerange expensive
_:result amount many
_:result type Restaurant
_:search day monday
_:search duration 13:15
_:search food italian
_:search people 8
_:search type Restaurant
_:search arrive_by 19:00
_:search departure cambridge
_:search destination ely
_:result arrive_by 18:07
_:result id TR4294
_:result leave_at 17:50
_:system offered _:booking
_:booking category Train
_:booking ref WWKNFTGL
_:booking ticket 35.2 GBP
_:booking type Booking
_:result amount many
_:result type Restaurant
_:search food italian
_:search area ?
_:system canthelp _:search/65db1659
_:search/65db1659 area West
_:search/65db1659 food Italian
_:search/65db1659 pricerange expensive
_:search/65db1659 type Restaurant
_:search day monday
_:search duration 13:15
_:search people 8
_:search pricerange expensive
_:search type Restaurant
_:search arrive_by 19:00
_:search departure cambridge
_:search destination ely
_:result arrive_by 18:07
_:result id TR4294
_:result leave_at 17:50
_:system offered _:booking
_:booking category Train
_:booking ticket 35.2 GBP
_:result amount many
_:search food italian
_:search area ?
_:system canthelp _:search/65db1659
_:search/65db1659 area West
_:search/65db1659 food Italian
_:search/65db1659 pricerange expensive
_:search/65db1659 type Restaurant
_:search day monday
_:search duration 13:15
_:search people 8
_:search pricerange expensive
_:search type Restaurant
_:booking ref SIKPOBWY
_:booking type Booking
_:result food European
_:result name cambridge lodge restaurant
_:result type Restaurant