inform((_:search,area,'centre');(_:search,type,'Attraction'))
user
Are there any good places to visit in the centre of town ? Thankyou .
request((_:search,category,?);(_:search,type,'Attraction')) inform((_:result,amount,'loads');(_:result,area,'centre');(_:result,category,'Architecture');(_:result,category,'boats');(_:result,category,'colleges');(_:result,category,'concerthalls');(_:result,category,'museums');(_:result,category,'nightclubs');(_:result,category,'parks');(_:result,category,'swimmingpools');(_:result,category,'theatres');(_:result,type,'Attraction'))
system
There are loads of fun , interesting attractions in city centre . Do you have anything specific in mind ? Architecture , boats , concerthalls , museums , colleges , nightclubs , parks , swimmingpools , theatres ?
inform((_:search,category,'dontcare');(_:search,type,'Attraction'))
user
I do n't have a preference .   Please pick something for me .
inform((_:result,amount,'several');(_:result,category,'Architecture');(_:result,category,'Churches');(_:result,type,'Attraction'))
system
There are several Churches , Architecture attractions . Would you like one of them ?
request((_:result,entrance_fee,?);(_:result,type,'Attraction'))
user
Pick one of the best churches for me and let me know the entrance fee please .
inform((_:result,address,'Jesus Lane');(_:result,entrance_fee,'fee');(_:result,name,'All Saints Church');(_:result,type,'Attraction'))
system
All Saints Church is located on Jesus Lane and the entrance is fee .
inform((_:search,arrive_by,'17:30');(_:search,day,'friday');(_:search,departure,'cambridge');(_:search,destination,'leicester');(_:search,type,'Train'))
user
I am also looking for a train . The train should depart from cambridge and should arrive by 17:30 . 
 The train should leave on friday and should go to leicester
request((_:search,day,?);(_:search,type,'Train'))
system
What day are you looking to travel ?
inform((_:search,day,'friday');(_:search,type,'Train'))
user
Friday please .
inform((_:result,arrive_by,'17:06');(_:result,id,'TR0552');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
The TR0552 arrives by 17:06 . Will that work for you ?
request((_:result,ref,?);(_:result,type,'Train'))
user
Yes , can you book it for me and get a reference number ?
request((_:booking,people,?);(_:booking,type,'Booking');(_:search,people,?);(_:search,type,'Train'))
system
The system is ready to go on the booking , how many people ?
request((_:result,duration,?);(_:result,leave_at,?);(_:result,type,'Train'))
user
What is the departure time for time for TR0552 , also I would like to know the travel time as well ?
inform((_:result,duration,'105 minutes');(_:result,leave_at,'15:21');(_:result,type,'Train')) request((_:search,people,?);(_:search,type,'Train'))
system
The departure time is 15:21 . The travel time is 105 minutes . How many are traveling ?
thank()
user
I actually wo n't need any tickets . Thank you for your help !
system
You 're welcome . Enjoy your stay .
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_:result category swimmingpools
_:result category theatres
_:result type Attraction
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_:search day friday
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_:result name All Saints Church
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_:result id TR0552
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_:search area centre
_:result area centre
_:search category dontcare
_:result amount several
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_:result category Churches
_:result address Jesus Lane
_:result entrance_fee fee
_:result name All Saints Church
_:search arrive_by 17:30
_:search departure cambridge
_:search destination leicester
_:search day friday
_:result arrive_by 17:06
_:result id TR0552
_:system offered _:booking
_:booking category Train
_:result ref ?
_:booking people ?
_:booking type Booking
_:result duration 105 minutes
_:result leave_at 15:21
_:result type Train
_:search people ?
_:search type Train