inform((_:search,day,'friday');(_:search,leave_at,'15:15');(_:search,type,'Train'))
user
I need information for a train leaving on friday after 15:15 .
request((_:search,departure,?);(_:search,destination,?);(_:search,type,'Train'))
system
I 'll be happy to help with that . Can you tell me your departure and destination cities please ?
inform((_:search,departure,'cambridge');(_:search,destination,'bishops stortford');(_:search,type,'Train'))
user
I am leaving from Cambridge and going to Bishops Stortford .
inform((_:result,leave_at,'15:29');(_:result,type,'Train'))
system
There is a train leaving at 15:29 .
inform((_:search,people,'2');(_:search,type,'Train')) request((_:result,ref,?);(_:result,type,'Train'))
user
Perfect , can we book that for 2 people , and I will need the reference number .
inform((_:booking,category,'Train');(_:booking,ref,'5EVEW0AE');(_:booking,type,'Booking'))
system
I have made those reservations and your reference number is   5EVEW0AE .
user
Where do I collect my ticket ?
system
You will get that from the station .
inform((_:search,has_parking,'yes');(_:search,pricerange,'expensive');(_:search,type,'Hotel'))
user
Great , thanks ! Can you please also recommend an expensive place to stay with free parking ?
inform((_:result,has_parking,'none');(_:result,name,'Lensfield hotel');(_:result,phone,'01223355017');(_:result,postcode,'cb21en');(_:result,pricerange,'your price range');(_:result,type,'Hotel')) bye()
system
Sure , the Lensfield hotel is within your price range and has free parking . The number is 01223355017 and post code is cb21en . Have a great day .
inform((_:search,area,'north');(_:search,type,'Hotel'))
user
I was n't done yet , but thanks I will have a great day . Now , can you tell me if that hotel is in the north ?
inform((_:result,area,'south');(_:result,type,'Hotel'))
system
sorry . it is in the south .
inform((_:search,area,'north');(_:search,type,'Hotel'))
user
Okay . So how about one in the north then , because that 's what I want . If not , then try the centre . And do n't try to book without my permission again please .
system
There are no hotels in the expensive range in the north .
_:search day friday
_:search leave_at 15:15
_:search type Train
_:search day friday
_:search leave_at 15:15
_:search departure cambridge
_:search destination bishops stortford
_:search type Train
_:search day friday
_:search leave_at 15:15
_:search departure cambridge
_:search destination bishops stortford
_:result leave_at 15:29
_:result type Train
_:search people 2
_:search type Train
_:result ref ?
_:search day friday
_:search leave_at 15:15
_:search departure cambridge
_:search destination bishops stortford
_:result leave_at 15:29
_:result type Train
_:search people 2
_:search type Train
_:result ref ?
_:booking category Train
_:booking ref 5EVEW0AE
_:booking type Booking
_:search day friday
_:search leave_at 15:15
_:search departure cambridge
_:search destination bishops stortford
_:result leave_at 15:29
_:result type Train
_:search people 2
_:result ref ?
_:booking category Train
_:booking ref 5EVEW0AE
_:booking type Booking
_:search has_parking yes
_:search pricerange expensive
_:search type Hotel
_:search day friday
_:search leave_at 15:15
_:search departure cambridge
_:search destination bishops stortford
_:result leave_at 15:29
_:search people 2
_:result ref ?
_:booking category Train
_:booking ref 5EVEW0AE
_:booking type Booking
_:search has_parking yes
_:search pricerange expensive
_:result has_parking none
_:result name Lensfield hotel
_:result phone 01223355017
_:result postcode cb21en
_:result pricerange your price range
_:result type Hotel
_:system dismissed _:user
_:search area north
_:search type Hotel
_:search day friday
_:search leave_at 15:15
_:search departure cambridge
_:search destination bishops stortford
_:result leave_at 15:29
_:search people 2
_:result ref ?
_:booking category Train
_:booking ref 5EVEW0AE
_:booking type Booking
_:search has_parking yes
_:search pricerange expensive
_:result has_parking none
_:result name Lensfield hotel
_:result phone 01223355017
_:result postcode cb21en
_:result pricerange your price range
_:system dismissed _:user
_:result area south
_:result type Hotel
_:search area north
_:search type Hotel