inform((_:search,day,'friday');(_:search,leave_at,'2:15');(_:search,type,'Train'))
user
I need a train for this Friday that leaves anytime after 2:15 that afternoon .
inform((_:result,count,'204');(_:result,day,'Friday');(_:result,leave_at,'2:15');(_:result,type,'Train')) request((_:search,destination,?);(_:search,type,'Train'))
system
There are a total of 204 trains leaving after 2:15 in the afternoon on Friday . Where would you like to go ?
inform((_:search,departure,'cambridge');(_:search,destination,'stevenage');(_:search,type,'Train'))
user
I would like to go to Stevenage please and depart from Cambridge .
inform((_:result,count,'5');(_:result,type,'Train')) request((_:search,arrive_by,?);(_:search,type,'Train'))
system
There are 5 such trains . Do you want to set an arrival time ?
user
I do n't care about when it arrives .
inform((_:result,id,'TR0217');(_:result,leave_at,'5:21');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
Train TR0217 leaves at 5:21 in the afternoon , would you like me to book it ?
inform((_:search,area,'center');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Not right now , but I was wondering if you could tell me about expensive restaurants in the center of town .
request((_:search,food,?);(_:search,type,'Restaurant')) inform((_:result,count,'33');(_:result,type,'Restaurant'))
system
There are 33 options . What food type do you prefer ?
inform((_:search,food,'dontcare');(_:search,type,'Restaurant'))
user
I do n't care about the food type .
inform((_:result,food,'african');(_:result,name,'bedouin');(_:result,type,'Restaurant'))
system
How does bedouin sound , they serve african food .
request((_:result,pricerange,?);(_:result,type,'Restaurant'))
user
That sounds great .   What is their price range ?
inform((_:result,name,'bedouin');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
The bedouin is expensive .
inform((_:search,day,'friday');(_:search,duration,'10:30');(_:search,people,'8');(_:search,type,'Restaurant')) request((_:result,ref,?);(_:result,type,'Restaurant'))
user
Let 's go ahead and book that for 8 people at 10:30 on Friday , and I will need that reference number , please .
system
I have booked your table at the bedouin .   Your reference number is 52CPSY3C and we hope you have a great day !
_:search day friday
_:search leave_at 2:15
_:search type Train
_:search day friday
_:search leave_at 2:15
_:result count 204
_:result day Friday
_:result leave_at 2:15
_:result type Train
_:search departure cambridge
_:search destination stevenage
_:search type Train
_:search day friday
_:search leave_at 2:15
_:result day Friday
_:result leave_at 2:15
_:search departure cambridge
_:search destination stevenage
_:result count 5
_:result type Train
_:search arrive_by ?
_:search type Train
_:search day friday
_:search leave_at 2:15
_:result day Friday
_:search departure cambridge
_:search destination stevenage
_:result count 5
_:search arrive_by ?
_:result id TR0217
_:result leave_at 5:21
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search area center
_:search pricerange expensive
_:search type Restaurant
_:search day friday
_:search leave_at 2:15
_:result day Friday
_:search departure cambridge
_:search destination stevenage
_:search arrive_by ?
_:result id TR0217
_:result leave_at 5:21
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search area center
_:search pricerange expensive
_:result count 33
_:result type Restaurant
_:search food dontcare
_:search type Restaurant
_:search day friday
_:search leave_at 2:15
_:result day Friday
_:search departure cambridge
_:search destination stevenage
_:search arrive_by ?
_:result id TR0217
_:result leave_at 5:21
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search area center
_:search pricerange expensive
_:result count 33
_:search food dontcare
_:search type Restaurant
_:result food african
_:result name bedouin
_:result type Restaurant
_:result pricerange ?
_:search leave_at 2:15
_:result day Friday
_:search departure cambridge
_:search destination stevenage
_:search arrive_by ?
_:result id TR0217
_:result leave_at 5:21
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search area center
_:search pricerange expensive
_:result count 33
_:search food dontcare
_:result food african
_:result name bedouin
_:result pricerange expensive
_:result type Restaurant
_:search day friday
_:search duration 10:30
_:search people 8
_:search type Restaurant
_:result ref ?