inform((_:search,day,'thursday');(_:search,type,'Train'))
user
I want to board a train on Thursday . Can you help me with that ?
request((_:search,destination,?);(_:search,type,'Train'))
system
Yes of course ! Where are you traveling to ?
inform((_:search,departure,'london kings cross');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
I am travelling to Cambridge and it should depart from London Kings Cross .
inform((_:result,amount,'ten');(_:result,day,'Thursday');(_:result,type,'Train')) request((_:search,leave_at,?);(_:search,type,'Train'))
system
I have ten trains doing that trip on Thursday . Any specific times ?
inform((_:search,arrive_by,'09:00');(_:search,type,'Train'))
user
I need to arrive by 09:00 if that is possible .
inform((_:result,count,'2');(_:result,leave_at,'05:17');(_:result,leave_at,'7:17');(_:result,type,'Train'))
system
Yes it 's possible . We have 2 trains departing at 05:17 and at 7:17 . Which one would you prefer ?
inform((_:search,people,'6');(_:search,type,'Train'))
user
Please make a booking for 6 people on the 7:17 train .
inform((_:booking,category,'Train');(_:booking,ref,'PY3UDDOV');(_:booking,ticket,'141.6 GBP');(_:booking,type,'Booking'))
system
I have booked your seats here is the information : Booking was successful , the total fee is 141.6 GBP payable at the station . 
 Reference number is : PY3UDDOV .
inform((_:search,category,'guesthouse');(_:search,has_parking,'yes');(_:search,type,'Hotel'))
user
Great , thank you ! I 'm also looking for a guesthouse that includes free parking . Can you help out ?
request((_:search,area,?);(_:search,type,'Hotel')) inform((_:result,category,'guesthouses');(_:result,count,'21');(_:result,has_parking,'none');(_:result,type,'Hotel'))
system
Absolutely . There are 21 guesthouses that have free parking , could you tell me which area you would like to stay in ?
inform((_:search,area,'dontcare');(_:search,pricerange,'moderate');(_:search,stars,'4-star');(_:search,type,'Hotel'))
user
I am not picky about the area . I prefer the moderate price range and a 4-star rating , please .
request((_:search,area,?);(_:search,type,'Hotel'))
system
Which area would you prefer north , south , or east ?
user
I really do n't care about the area , can you just suggest one for me ?
inform((_:result,area,'north');(_:result,name,'the acorn guest house');(_:result,pricerange,'moderately priced');(_:result,type,'Hotel'))
system
How about the acorn guest house , its moderately priced located in the north ?
inform((_:search,name,'acorn guest house');(_:search,type,'Hotel')) request((_:result,address,?);(_:result,type,'Hotel'))
user
Yes please book the acorn guest house . Also could you give me the address for the hotel .
offer((_:booking,type,'Booking')) inform((_:result,address,'154 chesterton road');(_:result,type,'Hotel'))
system
154 chesterton road . Would you like a reservation ?
request((_:result,address,?);(_:result,type,'Hotel'))
user
No thank you . I just needed the address . Thanks for your help .
system
You are welcome enjoy .
_:search day thursday
_:search type Train
_:search day thursday
_:search departure london kings cross
_:search destination cambridge
_:search type Train
_:search day thursday
_:search departure london kings cross
_:search destination cambridge
_:result amount ten
_:result day Thursday
_:result type Train
_:search leave_at ?
_:search arrive_by 09:00
_:search type Train
_:search day thursday
_:search departure london kings cross
_:search destination cambridge
_:result amount ten
_:result day Thursday
_:search leave_at ?
_:search arrive_by 09:00
_:result count 2
_:result leave_at 05:17
_:result leave_at 7:17
_:result type Train
_:search people 6
_:search type Train
_:search day thursday
_:search departure london kings cross
_:search destination cambridge
_:result amount ten
_:result day Thursday
_:search leave_at ?
_:search arrive_by 09:00
_:result count 2
_:result leave_at 05:17
_:result leave_at 7:17
_:result type Train
_:search people 6
_:booking category Train
_:booking ref PY3UDDOV
_:booking ticket 141.6 GBP
_:booking type Booking
_:search category guesthouse
_:search has_parking yes
_:search type Hotel
_:search day thursday
_:search departure london kings cross
_:search destination cambridge
_:result amount ten
_:result day Thursday
_:search leave_at ?
_:search arrive_by 09:00
_:result leave_at 05:17
_:result leave_at 7:17
_:search people 6
_:booking category Train
_:booking ref PY3UDDOV
_:booking ticket 141.6 GBP
_:booking type Booking
_:search category guesthouse
_:search has_parking yes
_:result category guesthouses
_:result count 21
_:result has_parking none
_:result type Hotel
_:search area dontcare
_:search pricerange moderate
_:search stars 4-star
_:search type Hotel
_:search day thursday
_:search departure london kings cross
_:search destination cambridge
_:result amount ten
_:result day Thursday
_:search leave_at ?
_:search arrive_by 09:00
_:result leave_at 05:17
_:result leave_at 7:17
_:search people 6
_:booking category Train
_:booking ref PY3UDDOV
_:booking ticket 141.6 GBP
_:booking type Booking
_:search category guesthouse
_:search has_parking yes
_:result category guesthouses
_:result count 21
_:result has_parking none
_:result type Hotel
_:search pricerange moderate
_:search stars 4-star
_:search area ?
_:search type Hotel
_:search day thursday
_:search departure london kings cross
_:search destination cambridge
_:result amount ten
_:result day Thursday
_:search leave_at ?
_:search arrive_by 09:00
_:result leave_at 05:17
_:result leave_at 7:17
_:search people 6
_:booking category Train
_:booking ref PY3UDDOV
_:booking ticket 141.6 GBP
_:booking type Booking
_:search category guesthouse
_:search has_parking yes
_:result category guesthouses
_:result count 21
_:result has_parking none
_:search pricerange moderate
_:search stars 4-star
_:search area ?
_:result area north
_:result name the acorn guest house
_:result pricerange moderately priced
_:result type Hotel
_:search name acorn guest house
_:search type Hotel
_:result address ?
_:search day thursday
_:search departure london kings cross
_:search destination cambridge
_:result amount ten
_:result day Thursday
_:search leave_at ?
_:search arrive_by 09:00
_:result leave_at 05:17
_:result leave_at 7:17
_:search people 6
_:booking category Train
_:booking ref PY3UDDOV
_:booking ticket 141.6 GBP
_:booking type Booking
_:search category guesthouse
_:search has_parking yes
_:result category guesthouses
_:result count 21
_:result has_parking none
_:search pricerange moderate
_:search stars 4-star
_:search area ?
_:result area north
_:result name the acorn guest house
_:result pricerange moderately priced
_:search name acorn guest house
_:search type Hotel
_:system offered _:booking
_:result address 154 chesterton road
_:result type Hotel
_:result address ?