inform((_:search,day,'friday');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
I 'm wanting a train that leaves on Friday and goes to Cambridge .
request((_:search,departure,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
Sure thing . What 's your departure site and around what time would you like to leave ?
inform((_:search,departure,'birmingham new street');(_:search,leave_at,'16:45');(_:search,type,'Train'))
user
I   want to leave after 16:45 , depart from Birmingham New Street .
inform((_:result,arrive_by,'20:23');(_:result,leave_at,'17:40');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
The first train will leave at 17:40 and arrive at 20:23 .   Does that sound good ?
user
This time works fine for me .
inform((_:booking,category,'Train');(_:booking,ref,'ZETNNFN0');(_:booking,ticket,'75.09 GBP');(_:booking,type,'Booking'))
system
You train has been booked , and the reference number is ZETNNFN0 . You will owe 75.09 GBP when you arrive .
inform((_:search,category,'museums');(_:search,type,'Attraction'))
user
thanks , i 'm also looking for some museums .
request((_:search,area,?);(_:search,type,'Attraction')) inform((_:result,amount,'lots');(_:result,category,'museums');(_:result,type,'Attraction'))
system
We have lots of wonderful museums .   Is there a particular area of the town you would like to find one in ?
inform((_:search,area,'centre');(_:search,type,'Attraction'))
user
Yes , do you have any in the centre ?
request((_:search,category,?);(_:search,type,'Attraction')) inform((_:result,area,'centre');(_:result,category,'museums');(_:result,count,'11');(_:result,type,'Attraction'))
system
There 's 11 museums in the centre is there a type of museum you 'd like to visit ?
request((_:result,address,?);(_:result,phone,?);(_:result,type,'Attraction'))
user
Anyone of those would work . Could you recommend something for me ? I 'll need the phone number , and address as well .
inform((_:result,address,'98 king street');(_:result,name,'broughton house gallery');(_:result,phone,'01223314960');(_:result,type,'Attraction'))
system
The broughton house gallery is very nice and the phone number is 01223314960 and the address is 98 king street .
request((_:result,area,?);(_:result,type,'Attraction'))
user
What area is it in ?
system
It is in the centre .
_:search day friday
_:search destination cambridge
_:search type Train
_:search day friday
_:search destination cambridge
_:search departure birmingham new street
_:search leave_at 16:45
_:search type Train
_:search day friday
_:search destination cambridge
_:search departure birmingham new street
_:search leave_at 16:45
_:search type Train
_:result arrive_by 20:23
_:result leave_at 17:40
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search day friday
_:search destination cambridge
_:search departure birmingham new street
_:search leave_at 16:45
_:result arrive_by 20:23
_:result leave_at 17:40
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking ref ZETNNFN0
_:booking ticket 75.09 GBP
_:booking type Booking
_:search category museums
_:search type Attraction
_:search day friday
_:search destination cambridge
_:search departure birmingham new street
_:search leave_at 16:45
_:result arrive_by 20:23
_:result leave_at 17:40
_:system offered _:booking
_:booking category Train
_:booking ref ZETNNFN0
_:booking ticket 75.09 GBP
_:booking type Booking
_:search category museums
_:result amount lots
_:result category museums
_:result type Attraction
_:search area centre
_:search type Attraction
_:search day friday
_:search destination cambridge
_:search departure birmingham new street
_:search leave_at 16:45
_:result arrive_by 20:23
_:result leave_at 17:40
_:system offered _:booking
_:booking category Train
_:booking ref ZETNNFN0
_:booking ticket 75.09 GBP
_:booking type Booking
_:result amount lots
_:search area centre
_:search category ?
_:search type Attraction
_:result area centre
_:result category museums
_:result count 11
_:result type Attraction
_:result address ?
_:result phone ?
_:search day friday
_:search destination cambridge
_:search departure birmingham new street
_:search leave_at 16:45
_:result arrive_by 20:23
_:result leave_at 17:40
_:system offered _:booking
_:booking category Train
_:booking ref ZETNNFN0
_:booking ticket 75.09 GBP
_:booking type Booking
_:result amount lots
_:search area centre
_:search category ?
_:search type Attraction
_:result area centre
_:result category museums
_:result count 11
_:result address 98 king street
_:result name broughton house gallery
_:result phone 01223314960
_:result type Attraction
_:result area ?