inform((_:search,category,'hotel');(_:search,stars,'4');(_:search,type,'Hotel'))
user
Can you help me find a nice 4 star hotel ?
request((_:search,pricerange,?);(_:search,type,'Hotel'))
system
I would love to ! Do you have a price range in mind ?
inform((_:search,pricerange,'expensive');(_:search,type,'Hotel'))
user
Yes , I do . I would like a hotel that is expensive in price .
request((_:search,area,?);(_:search,type,'Hotel')) inform((_:result,area,'centre');(_:result,area,'west');(_:result,category,'hotels');(_:result,count,'2');(_:result,type,'Hotel'))
system
I have two hotels available one in the west and one in the centre . Do you have a preference ?
inform((_:search,area,'centre');(_:search,day,'tuesday');(_:search,people,'7');(_:search,stay,'2');(_:search,type,'Hotel'))
user
The one in the centre would be ideal . There will be 7 people staying for 2 nights , starting Tuesday .
reqmore() inform((_:booking,ref,'VZF6OEIK');(_:booking,type,'Booking'))
system
Booking was successful . 
 Reference number is : VZF6OEIK . anything else today ?
inform((_:search,day,'tuesday');(_:search,departure,'standsted');(_:search,destination,'cambridge');(_:search,leave_at,'09:30');(_:search,type,'Train'))
user
Yes , actually . I need to book a train from Standsted to Cambridge . It has to be for Tuesday and definitely after 09:30
request((_:search,arrive_by,?);(_:search,type,'Train'))
system
Great ! And when would you like to arrive by ?
user
I would like one that leaves after 9:30 .
inform((_:result,amount,'many');(_:result,type,'Train')) request((_:search,arrive_by,?);(_:search,type,'Train'))
system
There are many options available . Did you want to arrive at a certain time ?
user
I would like to leave after 9:30 .
inform((_:result,count,'14');(_:result,type,'Train')) request((_:search,leave_at,?);(_:search,type,'Train'))
system
There are 14 that meets your criteria . Could you give me a departing time , to narrow it down ?
user
I do not have a further preference .
offer((_:booking,category,'Train');(_:booking,id,'TR8846');(_:booking,type,'Booking'))
system
Train TR8846 meets your criteria , would you like me to book it for you ?
inform((_:search,people,'7');(_:search,type,'Train'))
user
Yes please book for 7 people .
reqmore() inform((_:booking,category,'Train');(_:booking,ref,'EOJC45ES');(_:booking,ticket,'70.7 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 70.7 GBP payable at the station . Reference number is : EOJC45ES . Can I help with anything else today ?
thank()
user
That 's all I needed . Thanks for your help , goodbye !
system
Have a great night .
_:search category hotel
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_:booking type Booking
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_:search type Train
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_:search pricerange expensive
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_:system inquired _:user
_:booking ref VZF6OEIK
_:booking type Booking
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_:system inquired _:user
_:booking ref VZF6OEIK
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_:system inquired _:user
_:booking ref VZF6OEIK
_:booking type Booking
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_:system inquired _:user
_:booking ref VZF6OEIK
_:booking type Booking
_:search day tuesday
_:search departure standsted
_:search destination cambridge
_:result amount many
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_:result type Train
_:search leave_at ?
_:system offered _:booking
_:booking category Train
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_:search people 7
_:search type Train
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_:search stars 4
_:search pricerange expensive
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_:result category hotels
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_:search day tuesday
_:search departure standsted
_:search destination cambridge
_:result amount many
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_:search leave_at ?
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_:booking id TR8846
_:search people 7
_:search type Train
_:system inquired _:user
_:booking category Train
_:booking ref EOJC45ES
_:booking ticket 70.7 GBP
_:booking type Booking