inform((_:search,type,'Restaurant'))
user
I 'm looking for a place to eat in cambridge today !
inform((_:result,food,'asian oriental');(_:result,name,'The yippee noodle bar');(_:result,pricerange,'moderate');(_:result,type,'Restaurant'))
system
The yippee noodle bar is an excellent restaurant that serves asian oriental food and is in the moderate price range .
inform((_:search,area,'centre');(_:search,food,'european');(_:search,type,'Restaurant'))
user
I want to find a european restaurant in the centre . try again please .
inform((_:result,amount,'plenty');(_:result,food,'modern European');(_:result,name,'de luca cucina and bar');(_:result,type,'Restaurant'))
system
Sure , there are plenty of options .   I would recommend de luca cucina and bar if you are interested in modern European cuisine .
request((_:result,address,?);(_:result,type,'Restaurant'))
user
What is the address ?
offer((_:booking,type,'Booking')) inform((_:result,address,'83 Regent Street');(_:result,postcode,'cb21aw');(_:result,type,'Restaurant'))
system
The address is 83 Regent Street postcode cb21aw . Would you like me to book a table for you ?
inform((_:search,destination,'cambridge');(_:search,type,'Train'))
user
No but I do need help getting a train going to cambridge .
request((_:search,day,?);(_:search,type,'Train'))
system
What day will you be traveling ?
inform((_:search,day,'saturday');(_:search,type,'Train'))
user
I will be traveling on saturday .
request((_:search,leave_at,?);(_:search,type,'Train'))
system
What time do you need to leave by ?
inform((_:search,arrive_by,'12:45');(_:search,departure,'london liverpool street');(_:search,destination,'Cambridge');(_:search,type,'Train'))
user
I would be leaving from London Liverpool Street going to Cambridge . I would need to arrive by 12:45 .
inform((_:result,arrive_by,'11:07');(_:result,id,'TR0637');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
The TR0637 arrives by 11:07 .   Would that work ?
user
Yes that will work fine . Can you book that .
inform((_:booking,category,'Train');(_:booking,id,'TR0637');(_:booking,leave_at,'09:39');(_:booking,ref,'IAC5V0TC');(_:booking,ticket,'16.6 GBP');(_:booking,type,'Booking'))
system
Ok , you are booked on the TR0637 departing at 09:39 . the total fee is 16.6 GBP payable at the station . 
 Reference number is : IAC5V0TC .
request((_:result,duration,?);(_:result,type,'Train'))
user
That 's great !   What 's the travel time ?
inform((_:result,duration,'88 minutes');(_:result,type,'Train'))
system
The total travel time on that train is 88 minutes .
thank()
user
Thanks , that is all
system
Have a wonderful visit .
_:search type Restaurant
_:result food asian oriental
_:result name The yippee noodle bar
_:result pricerange moderate
_:result type Restaurant
_:search area centre
_:search food european
_:search type Restaurant
_:result pricerange moderate
_:search area centre
_:search food european
_:search type Restaurant
_:result amount plenty
_:result food modern European
_:result name de luca cucina and bar
_:result type Restaurant
_:result address ?
_:result pricerange moderate
_:search area centre
_:search food european
_:result amount plenty
_:result food modern European
_:result name de luca cucina and bar
_:system offered _:booking
_:booking type Booking
_:result address 83 Regent Street
_:result postcode cb21aw
_:result type Restaurant
_:search destination cambridge
_:search type Train
_:result pricerange moderate
_:search area centre
_:search food european
_:result amount plenty
_:result food modern European
_:result name de luca cucina and bar
_:system offered _:booking
_:booking type Booking
_:result address 83 Regent Street
_:result postcode cb21aw
_:result type Restaurant
_:search destination cambridge
_:search day saturday
_:search type Train
_:result pricerange moderate
_:search area centre
_:search food european
_:result amount plenty
_:result food modern European
_:result name de luca cucina and bar
_:system offered _:booking
_:booking type Booking
_:result address 83 Regent Street
_:result postcode cb21aw
_:result type Restaurant
_:search day saturday
_:search leave_at ?
_:search arrive_by 12:45
_:search departure london liverpool street
_:search destination Cambridge
_:search type Train
_:result pricerange moderate
_:search area centre
_:search food european
_:result amount plenty
_:result food modern European
_:result name de luca cucina and bar
_:system offered _:booking
_:booking type Booking
_:result address 83 Regent Street
_:result postcode cb21aw
_:search day saturday
_:search leave_at ?
_:search arrive_by 12:45
_:search departure london liverpool street
_:search destination Cambridge
_:search type Train
_:result arrive_by 11:07
_:result id TR0637
_:result type Train
_:booking category Train
_:result pricerange moderate
_:search area centre
_:search food european
_:result amount plenty
_:result food modern European
_:result name de luca cucina and bar
_:system offered _:booking
_:result address 83 Regent Street
_:result postcode cb21aw
_:search day saturday
_:search leave_at ?
_:search arrive_by 12:45
_:search departure london liverpool street
_:search destination Cambridge
_:search type Train
_:result arrive_by 11:07
_:result id TR0637
_:result type Train
_:booking category Train
_:booking id TR0637
_:booking leave_at 09:39
_:booking ref IAC5V0TC
_:booking ticket 16.6 GBP
_:booking type Booking
_:result duration ?
_:result pricerange moderate
_:search area centre
_:search food european
_:result amount plenty
_:result food modern European
_:result name de luca cucina and bar
_:system offered _:booking
_:result address 83 Regent Street
_:result postcode cb21aw
_:search day saturday
_:search leave_at ?
_:search arrive_by 12:45
_:search departure london liverpool street
_:search destination Cambridge
_:search type Train
_:result arrive_by 11:07
_:result id TR0637
_:booking category Train
_:booking id TR0637
_:booking leave_at 09:39
_:booking ref IAC5V0TC
_:booking ticket 16.6 GBP
_:booking type Booking
_:result duration 88 minutes
_:result type Train