inform((_:search,has_parking,'yes');(_:search,pricerange,'expensive');(_:search,type,'Hotel'))
user
Can you help me find a place to stay that is expensive and includes free parking ?
request((_:search,area,?);(_:search,type,'Hotel'))
system
Absolutely , what area were you wanting to stay in ?
inform((_:search,has_internet,'yes');(_:search,stars,'3-star');(_:search,type,'Hotel'))
user
Area does n't really matter , but I would like a 3-star place with internet .
inform((_:result,area,'centre');(_:result,category,'hotels');(_:result,count,'2');(_:result,name,'Gonville Hotel');(_:result,type,'Hotel'))
system
There are two hotels that meet your preferences . I suggest the Gonville Hotel as it 's in the city centre .
request((_:result,address,?);(_:result,type,'Hotel'))
user
Could you give me the address , please ?
offer((_:booking,type,'Booking')) inform((_:result,address,'gonville place');(_:result,type,'Hotel'))
system
They are located at gonville place .   Would you like to book a room there ?
inform((_:search,day,'sunday');(_:search,departure,'cambridge');(_:search,type,'Train'))
user
Nah , not right now . I do need info on a train though . What 's the schedule like on Sunday trains leaving cambridge ?
request((_:search,destination,?);(_:search,type,'Train')) thank()
system
I 'll be happy to help you with that . Where would you like to travel to ?
inform((_:search,arrive_by,'12:15');(_:search,destination,'london liverpool street');(_:search,type,'Train'))
user
How about a train that will arrive by 12:15 heading to london liverpool street ?
inform((_:result,arrive_by,'11:27');(_:result,id,'TR0995');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
Train TR0995 arrives by 11:27 . Would you like me to book you a ticket ?
inform((_:search,people,'1');(_:search,type,'Train'))
user
Yes , that sounds perfect . Can you make me a booking for 1 person please ?
inform((_:booking,category,'Train');(_:booking,ref,'39JEV1T5');(_:booking,ticket,'13.28 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 13.28 GBP payable at the station . 
 Reference number is : 39JEV1T5 .
thank()
user
Excellent , thank you !
reqmore()
system
Is there anything else I can help you with ?
thank()
user
Thank you for your help .
system
You are welcome . Let us know if you need anymore assistance .
_:search has_parking yes
_:search pricerange expensive
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_:search has_parking yes
_:search pricerange expensive
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_:search has_internet yes
_:search stars 3-star
_:search type Hotel
_:search has_parking yes
_:search pricerange expensive
_:search area ?
_:search has_internet yes
_:search stars 3-star
_:search type Hotel
_:result area centre
_:result category hotels
_:result count 2
_:result name Gonville Hotel
_:result type Hotel
_:result address ?
_:search has_parking yes
_:search pricerange expensive
_:search area ?
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_:search stars 3-star
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_:result category hotels
_:result count 2
_:result name Gonville Hotel
_:system offered _:booking
_:booking type Booking
_:result address gonville place
_:result type Hotel
_:search day sunday
_:search departure cambridge
_:search type Train
_:search has_parking yes
_:search pricerange expensive
_:search area ?
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_:search stars 3-star
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_:result category hotels
_:result count 2
_:result name Gonville Hotel
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_:booking type Booking
_:result address gonville place
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_:search arrive_by 12:15
_:search destination london liverpool street
_:search type Train
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_:search stars 3-star
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_:result count 2
_:result name Gonville Hotel
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_:result name Gonville Hotel
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_:result address gonville place
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_:search destination london liverpool street
_:result arrive_by 11:27
_:result id TR0995
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_:booking ticket 13.28 GBP
_:booking type Booking
_:search has_parking yes
_:search pricerange expensive
_:search area ?
_:search has_internet yes
_:search stars 3-star
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_:result count 2
_:result name Gonville Hotel
_:system offered _:booking
_:result address gonville place
_:search day sunday
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_:search arrive_by 12:15
_:search destination london liverpool street
_:result arrive_by 11:27
_:result id TR0995
_:result type Train
_:search people 1
_:search type Train
_:booking category Train
_:booking ref 39JEV1T5
_:booking ticket 13.28 GBP
_:booking type Booking
_:system inquired _:user