inform((_:search,area,'east');(_:search,type,'Restaurant'))
user
Could you help me locate a restaurant in the east area of town ?
request((_:search,food,?);(_:search,type,'Restaurant')) inform((_:result,amount,'quite a few');(_:result,type,'Restaurant'))
system
Absolutely , there are quite a few restaurants . Can you help me by specifying what type of food you 're looking for ?
inform((_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
I am interested in an expensive restaurant .   See what 's available , and maybe I can choose from there .
request((_:search,food,?);(_:search,type,'Restaurant')) inform((_:result,count,'5');(_:result,type,'Restaurant'))
system
I have five places , what type would you prefer ?
inform((_:search,arrive_by,'15:30');(_:search,day,'tuesday');(_:search,destination,'cambridge');(_:search,food,'italian');(_:search,type,'Restaurant');(_:search,type,'Train'))
user
Italian would be great .   I also need a train to Cambridge that arrives on Tuesday by 15:30 .
request((_:search,food,?);(_:search,type,'Restaurant')) canthelp((_:search,food,'Italian');(_:search,type,'Restaurant'))
system
There are no Italian places to dine , is there another food you would prefer before we book the train ?
inform((_:search,day,'tuesday');(_:search,duration,'18:30');(_:search,people,'8');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
any expensive restaurant will suffice . Reserve it for 8 people at 18:30 on tuesday and I 'll need the reservation number please .
inform((_:booking,ref,'51VEERAC');(_:booking,type,'Booking'))
system
Booking was successful . The table will be reserved for 15 minutes . 
 Reference number is : 51VEERAC .
inform((_:search,departure,'stevenage');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
I also need a train to Cambridge departing from Stevenage .
request((_:search,day,?);(_:search,type,'Train'))
system
What day would you like to travel on ?
inform((_:search,day,'tuesday');(_:search,people,'8');(_:search,type,'Train')) request((_:result,ref,?);(_:result,type,'Train'))
user
I 'll be traveling Tuesday , and need it booked for 8 . Could I also get the reference number for that as well ?
inform((_:result,departure,'Stevenage');(_:result,leave_at,'05:54');(_:result,leave_at,'23:54');(_:result,type,'Train')) request((_:search,arrive_by,?);(_:search,leave_at,?);(_:search,type,'Train'))
system
The first train leaves Stevenage at 05:54 and every two hours thereafter until the last train at 23:54 . What time would you like to leave or arrive ?
inform((_:search,people,'same number of people');(_:search,type,'Restaurant'))
user
Anytime would be great , I 'd like to book it for the same number of people as my restaurant .
reqmore() inform((_:booking,category,'Train');(_:booking,id,'TR0517');(_:booking,leave_at,'11:54');(_:booking,ref,'IAYFJ8SI');(_:booking,ticket,'102.4 GBP');(_:booking,type,'Booking'))
system
Ok , I 've booked your party on TR0517 , it leaves at 11:54 .   Reference number is IAYFJ8SI .   Total is 102.4 GBP payable at the station .   Anything else I can do ?
request((_:result,ref,?);(_:result,type,'Restaurant');(_:result,type,'Train'))
user
Reference number is IAYFJ8SI , that will be all
system
Great ! Have a great day !
_:search area east
_:search type Restaurant
_:search area east
_:search food ?
_:result amount quite a few
_:result type Restaurant
_:search pricerange expensive
_:search type Restaurant
_:search area east
_:result amount quite a few
_:search pricerange expensive
_:result count 5
_:result type Restaurant
_:search arrive_by 15:30
_:search day tuesday
_:search destination cambridge
_:search food italian
_:search type Restaurant
_:search type Train
_:search area east
_:result amount quite a few
_:result count 5
_:result type Restaurant
_:search arrive_by 15:30
_:search destination cambridge
_:search food ?
_:system canthelp _:search/b3eb0240
_:search/b3eb0240 food Italian
_:search/b3eb0240 type Restaurant
_:search day tuesday
_:search duration 18:30
_:search people 8
_:search pricerange expensive
_:search type Restaurant
_:search area east
_:result amount quite a few
_:result count 5
_:result type Restaurant
_:search arrive_by 15:30
_:search food ?
_:system canthelp _:search/b3eb0240
_:search/b3eb0240 food Italian
_:search/b3eb0240 type Restaurant
_:search day tuesday
_:search duration 18:30
_:search people 8
_:search pricerange expensive
_:booking ref 51VEERAC
_:booking type Booking
_:search departure stevenage
_:search destination cambridge
_:search type Train
_:search area east
_:result amount quite a few
_:result count 5
_:result type Restaurant
_:search arrive_by 15:30
_:search food ?
_:system canthelp _:search/b3eb0240
_:search/b3eb0240 food Italian
_:search/b3eb0240 type Restaurant
_:search duration 18:30
_:search pricerange expensive
_:booking ref 51VEERAC
_:booking type Booking
_:search departure stevenage
_:search destination cambridge
_:search day tuesday
_:search people 8
_:search type Train
_:result ref ?
_:result type Train
_:search area east
_:result amount quite a few
_:result count 5
_:search food ?
_:system canthelp _:search/b3eb0240
_:search/b3eb0240 food Italian
_:search/b3eb0240 type Restaurant
_:search duration 18:30
_:search pricerange expensive
_:booking ref 51VEERAC
_:booking type Booking
_:search departure stevenage
_:search destination cambridge
_:search day tuesday
_:result ref ?
_:result departure Stevenage
_:result leave_at 05:54
_:result leave_at 23:54
_:result type Train
_:search arrive_by ?
_:search leave_at ?
_:search people same number of people
_:search type Restaurant
_:search area east
_:result amount quite a few
_:result count 5
_:search food ?
_:system canthelp _:search/b3eb0240
_:search/b3eb0240 food Italian
_:search/b3eb0240 type Restaurant
_:search duration 18:30
_:search pricerange expensive
_:search departure stevenage
_:search destination cambridge
_:search day tuesday
_:result ref ?
_:result departure Stevenage
_:result leave_at 05:54
_:result leave_at 23:54
_:result type Train
_:search arrive_by ?
_:search leave_at ?
_:search people same number of people
_:search type Restaurant
_:system inquired _:user
_:booking category Train
_:booking id TR0517
_:booking leave_at 11:54
_:booking ref IAYFJ8SI
_:booking ticket 102.4 GBP
_:booking type Booking
_:result type Restaurant