inform((_:search,food,'the americas');(_:search,pricerange,'cheap');(_:search,type,'Restaurant'))
user
Find me a place to dine on some cheap foods from the americas please .
request((_:search,food,?);(_:search,type,'Restaurant')) canthelp((_:search,food,'the Americas');(_:search,type,'Restaurant'))
system
I am sorry but I am not finding any results for the Americas . Is there another food type you would be interested in ?
inform((_:search,food,'spanish');(_:search,type,'Restaurant'))
user
How about spanish food ?
canthelp((_:search,food,'Spanish');(_:search,pricerange,'cheap');(_:search,type,'Restaurant')) reqmore()
system
It seems there are no cheap Spanish restaurants either . Can I help you with anything else today ?
inform((_:search,day,'friday');(_:search,duration,'16:45');(_:search,people,'8');(_:search,pricerange,'moderate');(_:search,type,'Restaurant')) request((_:result,ref,?);(_:result,type,'Restaurant'))
user
you can help me to book a table for 8 people at 16:45 on friday . 
 Make sure you get the reference number with moderate price range
inform((_:booking,ref,'WLB1869A');(_:booking,type,'Booking'))
system
Your booking is successful , reference number is WLB1869A
inform((_:search,departure,'leicester');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
Great , thanks ! Can you also help me find a train to get me to Cambridge from Leicester ?
request((_:search,day,?);(_:search,type,'Train'))
system
which day will you want to travel ?
inform((_:search,day,'friday');(_:search,type,'Train'))
user
I would like Friday
inform((_:result,amount,'a few');(_:result,day,'Friday');(_:result,leave_at,'5:09 and recurring every hour');(_:result,type,'Train')) request((_:search,leave_at,?);(_:search,type,'Train'))
system
I have a few options on Friday with departures starting at 5:09 and recurring every hour . What time would you like to depart ?
inform((_:search,people,'8');(_:search,type,'Train'))
user
Can you pick one and get me 8 tickets please ?
inform((_:booking,category,'Train');(_:booking,ref,'I0W8XGUW');(_:booking,ticket,'302.39 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 302.39 GBP payable at the station . 
 Reference number is : I0W8XGUW .
thank()
user
Thanks , that 's all I needed today !
system
enjoy your stay in cambridge
_:search food the americas
_:search pricerange cheap
_:search type Restaurant
_:search pricerange cheap
_:system canthelp _:search/670d788e
_:search/670d788e food the Americas
_:search/670d788e type Restaurant
_:search food spanish
_:search type Restaurant
_:system canthelp _:search/670d788e
_:search/670d788e food the Americas
_:search/670d788e type Restaurant
_:search food spanish
_:system canthelp _:search/892c17df
_:search/892c17df food Spanish
_:search/892c17df pricerange cheap
_:search/892c17df type Restaurant
_:system inquired _:user
_:search day friday
_:search duration 16:45
_:search people 8
_:search pricerange moderate
_:search type Restaurant
_:result ref ?
_:result type Restaurant
_:system canthelp _:search/670d788e
_:search/670d788e food the Americas
_:search/670d788e type Restaurant
_:search food spanish
_:system canthelp _:search/892c17df
_:search/892c17df food Spanish
_:search/892c17df pricerange cheap
_:search/892c17df type Restaurant
_:system inquired _:user
_:search day friday
_:search duration 16:45
_:search people 8
_:search pricerange moderate
_:result ref ?
_:result type Restaurant
_:booking ref WLB1869A
_:booking type Booking
_:search departure leicester
_:search destination cambridge
_:search type Train
_:system canthelp _:search/670d788e
_:search/670d788e food the Americas
_:search/670d788e type Restaurant
_:search food spanish
_:system canthelp _:search/892c17df
_:search/892c17df food Spanish
_:search/892c17df pricerange cheap
_:search/892c17df type Restaurant
_:system inquired _:user
_:search duration 16:45
_:search people 8
_:search pricerange moderate
_:result ref ?
_:result type Restaurant
_:booking ref WLB1869A
_:booking type Booking
_:search departure leicester
_:search destination cambridge
_:search day friday
_:search type Train
_:system canthelp _:search/670d788e
_:search/670d788e food the Americas
_:search/670d788e type Restaurant
_:search food spanish
_:system canthelp _:search/892c17df
_:search/892c17df food Spanish
_:search/892c17df pricerange cheap
_:search/892c17df type Restaurant
_:system inquired _:user
_:search duration 16:45
_:search pricerange moderate
_:result ref ?
_:booking ref WLB1869A
_:booking type Booking
_:search departure leicester
_:search destination cambridge
_:search day friday
_:result amount a few
_:result day Friday
_:result leave_at 5:09 and recurring every hour
_:result type Train
_:search leave_at ?
_:search people 8
_:search type Train
_:system canthelp _:search/670d788e
_:search/670d788e food the Americas
_:search/670d788e type Restaurant
_:search food spanish
_:system canthelp _:search/892c17df
_:search/892c17df food Spanish
_:search/892c17df pricerange cheap
_:search/892c17df type Restaurant
_:system inquired _:user
_:search duration 16:45
_:search pricerange moderate
_:result ref ?
_:search departure leicester
_:search destination cambridge
_:search day friday
_:result amount a few
_:result day Friday
_:result leave_at 5:09 and recurring every hour
_:result type Train
_:search leave_at ?
_:search people 8
_:search type Train
_:booking category Train
_:booking ref I0W8XGUW
_:booking ticket 302.39 GBP
_:booking type Booking