inform((_:search,departure,'cambridge');(_:search,leave_at,'12:15');(_:search,type,'Train'))
user
I need a train that is departing from Cambridge and is leaving after 12:15 .
request((_:search,destination,?);(_:search,type,'Train'))
system
Sure , let 's narrow down your search . What is your destination ?
inform((_:search,destination,'stansted airport');(_:search,type,'Train'))
user
I need to go to Stansted airport .
inform((_:result,amount,'a lot');(_:result,type,'Train')) request((_:search,arrive_by,?);(_:search,type,'Train'))
system
Okay we have a lot of trains that meet your requests , is there a specific time you want to get to the airport by ?
inform((_:search,day,'tuesday');(_:search,departure,'cambridge');(_:search,leave_at,'12:15');(_:search,type,'Train'))
user
No , I just need to leave Cambridge after 12:15 on Tuesday .
request((_:booking,people,?);(_:booking,type,'Booking');(_:search,people,?);(_:search,type,'Train'))
system
How many people in your party ?
request((_:result,ticket,?);(_:result,type,'Train'))
user
I am not sure yet . What are the prices for tickets ?
inform((_:result,ticket,'10.10 pounds');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
The cost per ticket for that train route is 10.10 pounds . Can I help you book any tickets ?
inform((_:search,category,'guesthouse');(_:search,has_parking,'yes');(_:search,pricerange,'expensive');(_:search,type,'Hotel')) request((_:result,ticket,?);(_:result,type,'Train'))
user
no not at that time . Im also looking for a guesthouse to stay in that includes free parking in the expensive price range
request((_:search,category,?);(_:search,pricerange,?);(_:search,type,'Hotel')) canthelp((_:search,category,'guesthouses');(_:search,type,'Hotel')) select((_:result,category,'hotel');(_:result,pricerange,'different price range');(_:result,type,'Hotel'))
system
I 'm sorry but there are no guesthouses that match your request , would you like a hotel or a different price range ?
inform((_:search,pricerange,'moderate');(_:search,type,'Hotel'))
user
How about moderate ?
inform((_:result,amount,'several');(_:result,type,'Hotel'))
system
There are several options would you like to be more specific on what you need ?
request((_:result,area,?);(_:result,has_internet,?);(_:result,postcode,?);(_:result,stars,?);(_:result,type,'Hotel'))
user
I have no more specific needs .   Can you select your favorite and tell me their area , if they have internet , and how many stars they have ?
inform((_:result,area,'south');(_:result,has_internet,'none');(_:result,has_parking,'none');(_:result,name,'Bride Guest House');(_:result,pricerange,'moderate');(_:result,stars,'3');(_:result,type,'Hotel'))
system
Bride Guest House is in the south part of town and is in the moderate price range . It is rated 3 stars and has free internet and parking .
thank()
user
Ok that 's all the information I need , thank you for your time .
system
You 're welcome .
_:search departure cambridge
_:search leave_at 12:15
_:search type Train
_:search departure cambridge
_:search leave_at 12:15
_:search destination stansted airport
_:search type Train
_:search destination stansted airport
_:result amount a lot
_:result type Train
_:search arrive_by ?
_:search day tuesday
_:search departure cambridge
_:search leave_at 12:15
_:search type Train
_:search destination stansted airport
_:result amount a lot
_:result type Train
_:search arrive_by ?
_:search day tuesday
_:search departure cambridge
_:search leave_at 12:15
_:booking people ?
_:booking type Booking
_:search people ?
_:search type Train
_:result ticket ?
_:search destination stansted airport
_:result amount a lot
_:search arrive_by ?
_:search day tuesday
_:search departure cambridge
_:search leave_at 12:15
_:booking people ?
_:booking type Booking
_:search people ?
_:result ticket 10.10 pounds
_:result type Train
_:system offered _:booking
_:booking category Train
_:search category guesthouse
_:search has_parking yes
_:search pricerange expensive
_:search type Hotel
_:result ticket ?
_:search destination stansted airport
_:result amount a lot
_:search arrive_by ?
_:search day tuesday
_:search departure cambridge
_:search leave_at 12:15
_:booking people ?
_:booking type Booking
_:search people ?
_:result ticket 10.10 pounds
_:system offered _:booking
_:booking category Train
_:search has_parking yes
_:result ticket ?
_:search category ?
_:system canthelp _:search/ede01fbd
_:search/ede01fbd category guesthouses
_:search/ede01fbd type Hotel
_:result category hotel
_:result pricerange different price range
_:result type Hotel
_:search pricerange moderate
_:search type Hotel
_:search destination stansted airport
_:search arrive_by ?
_:search day tuesday
_:search departure cambridge
_:search leave_at 12:15
_:booking people ?
_:booking type Booking
_:search people ?
_:result ticket 10.10 pounds
_:system offered _:booking
_:booking category Train
_:search has_parking yes
_:result ticket ?
_:search category ?
_:system canthelp _:search/ede01fbd
_:search/ede01fbd category guesthouses
_:search/ede01fbd type Hotel
_:result category hotel
_:result pricerange different price range
_:search pricerange moderate
_:search type Hotel
_:result amount several
_:result type Hotel
_:result area ?
_:result has_internet ?
_:result postcode ?
_:result stars ?
_:search destination stansted airport
_:search arrive_by ?
_:search day tuesday
_:search departure cambridge
_:search leave_at 12:15
_:booking people ?
_:booking type Booking
_:search people ?
_:result ticket 10.10 pounds
_:system offered _:booking
_:booking category Train
_:search has_parking yes
_:result ticket ?
_:search category ?
_:system canthelp _:search/ede01fbd
_:search/ede01fbd category guesthouses
_:search/ede01fbd type Hotel
_:result category hotel
_:search pricerange moderate
_:search type Hotel
_:result amount several
_:result postcode ?
_:result area south
_:result has_internet none
_:result has_parking none
_:result name Bride Guest House
_:result pricerange moderate
_:result stars 3
_:result type Hotel