inform((_:search,type,'Restaurant'))
user
I was wanting help with a place to dine in Cambridge .
request((_:search,area,?);(_:search,food,?);(_:search,pricerange,?);(_:search,type,'Restaurant')) inform((_:result,amount,'quite a few');(_:result,type,'Restaurant'))
system
We have quite a few restaurants .   Do you have any preferences as far as locale , price range , or cuisine type ?
inform((_:search,area,'centre');(_:search,food,'chinese');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Yes , we would like something in the centre , expensive chinese food would be great .
inform((_:result,count,'4');(_:result,name,'HK Fusion');(_:result,type,'Restaurant'))
system
Great , I have four options for you . I would recommend HK Fusion .
inform((_:search,day,'sunday');(_:search,people,'two');(_:search,type,'Restaurant'))
user
That sounds great .   Can you book me a table for two at 3 p.m. on Sunday ?
inform((_:booking,ref,'CJSEN5QP');(_:booking,type,'Booking'))
system
Booking was successful . The table will be reserved for 15 minutes . Reference number is : CJSEN5QP
inform((_:search,day,'monday');(_:search,leave_at,'13:00');(_:search,type,'Train'))
user
Perfect . Now , please find me a train leaving after 13:00 on Monday
request((_:search,destination,?);(_:search,type,'Train')) thank()
system
Certainly . Where will you be traveling ?
inform((_:search,departure,'cambridge');(_:search,destination,'stevenage');(_:search,type,'Train'))
user
I would be leaving from Cambridge and going to Stevenage .
inform((_:result,id,'TR1898');(_:result,leave_at,'13:21');(_:result,type,'Train'))
system
How about train TR1898 that leaves at 13:21 ?
request((_:result,arrive_by,?);(_:result,type,'Train'))
user
Yes can   I please get the arrival time ?
inform((_:result,arrive_by,'14:10');(_:result,destination,'Stevenage');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
That train will arrive in Stevenage by 14:10 . Will you be needing to purchase tickets ?
request((_:result,ref,?);(_:result,type,'Restaurant');(_:result,type,'Train'))
user
Can you book it for me and get a reference number ?
system
Can you book it for me and get a reference number ?
_:search type Restaurant
_:result amount quite a few
_:result type Restaurant
_:search area centre
_:search food chinese
_:search pricerange expensive
_:search type Restaurant
_:result amount quite a few
_:search area centre
_:search food chinese
_:search pricerange expensive
_:result count 4
_:result name HK Fusion
_:result type Restaurant
_:search day sunday
_:search people two
_:search type Restaurant
_:result amount quite a few
_:search area centre
_:search food chinese
_:search pricerange expensive
_:result count 4
_:result name HK Fusion
_:result type Restaurant
_:search people two
_:booking ref CJSEN5QP
_:booking type Booking
_:search day monday
_:search leave_at 13:00
_:search type Train
_:result amount quite a few
_:search area centre
_:search food chinese
_:search pricerange expensive
_:result count 4
_:result name HK Fusion
_:result type Restaurant
_:search people two
_:booking ref CJSEN5QP
_:booking type Booking
_:search day monday
_:search leave_at 13:00
_:search departure cambridge
_:search destination stevenage
_:search type Train
_:result amount quite a few
_:search area centre
_:search food chinese
_:search pricerange expensive
_:result count 4
_:result name HK Fusion
_:search people two
_:booking ref CJSEN5QP
_:booking type Booking
_:search day monday
_:search leave_at 13:00
_:search departure cambridge
_:search destination stevenage
_:search type Train
_:result id TR1898
_:result leave_at 13:21
_:result type Train
_:result arrive_by ?
_:result amount quite a few
_:search area centre
_:search food chinese
_:search pricerange expensive
_:result count 4
_:result name HK Fusion
_:search people two
_:booking ref CJSEN5QP
_:booking type Booking
_:search day monday
_:search leave_at 13:00
_:search departure cambridge
_:search destination stevenage
_:search type Train
_:result id TR1898
_:result leave_at 13:21
_:result arrive_by 14:10
_:result destination Stevenage
_:result type Train
_:system offered _:booking
_:booking category Train
_:result ref ?
_:result type Restaurant