inform((_:search,destination,'cambridge');(_:search,leave_at,'15:45');(_:search,type,'Train'))
user
Please find me a train to Cambridge . Make sure it leaves after 15:45
inform((_:result,amount,'Several');(_:result,type,'Train')) request((_:search,departure,?);(_:search,type,'Train'))
system
I can help !   Several trains come here .   Where are you departing from ?
inform((_:search,departure,'stansted airport');(_:search,type,'Train'))
user
I 'm departing from stansted airport .
inform((_:result,arrive_by,'16:52');(_:result,id,'TR9390');(_:result,leave_at,'16:24');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
TR9390 will leave at 16:24 and arrive by 16:52 . Do you need to buy tickets now ?
inform((_:search,people,'8');(_:search,type,'Train'))
user
Yes .   Please book tickets for 8 .
inform((_:booking,category,'Train');(_:booking,people,'8');(_:booking,ref,'3YRAS11J');(_:booking,type,'Booking'))
system
Okay , 8 tickets have been reserved ! Your reference number is 3YRAS11J .
inform((_:search,name,'yippee noodle bar');(_:search,type,'Restaurant'))
user
Perfect ! I also have one more question . Can you tell me a little about a place called the Yippee Noodle Bar ?
offer((_:booking,type,'Booking')) inform((_:result,area,'centre');(_:result,food,'Asian oriental');(_:result,phone,'01223518111');(_:result,pricerange,'moderately priced');(_:result,type,'Restaurant'))
system
It 's a moderately priced restaurant in the city centre . It serves Asian oriental food . phone is 01223518111 . Can I help with a booking ?
inform((_:search,day,'wednesday');(_:search,people,'8');(_:search,type,'Restaurant'))
user
Thanks , I would like to book a table for 8 on wednesday , please .
request((_:booking,duration,?);(_:booking,type,'Booking'))
system
Sure , what time should I make the reservation for ?
inform((_:search,day,'wednesday');(_:search,duration,'20:15');(_:search,type,'Restaurant'))
user
20:15 on wednesday , thanks .
inform((_:booking,ref,'YP33ONP5');(_:booking,type,'Booking'))
system
Booking was successful . The table will be reserved for 15 minutes . 
 Reference number is : YP33ONP5 .
thank()
user
That 's all , thank you .
system
Have a great dinner .
_:search destination cambridge
_:search leave_at 15:45
_:search type Train
_:search destination cambridge
_:search leave_at 15:45
_:result amount Several
_:result type Train
_:search departure stansted airport
_:search type Train
_:search destination cambridge
_:search leave_at 15:45
_:result amount Several
_:search departure stansted airport
_:result arrive_by 16:52
_:result id TR9390
_:result leave_at 16:24
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:search people 8
_:search type Train
_:search destination cambridge
_:search leave_at 15:45
_:result amount Several
_:search departure stansted airport
_:result arrive_by 16:52
_:result id TR9390
_:result leave_at 16:24
_:result type Train
_:system offered _:booking
_:search people 8
_:booking category Train
_:booking people 8
_:booking ref 3YRAS11J
_:booking type Booking
_:search name yippee noodle bar
_:search type Restaurant
_:search destination cambridge
_:search leave_at 15:45
_:result amount Several
_:search departure stansted airport
_:result arrive_by 16:52
_:result id TR9390
_:result leave_at 16:24
_:system offered _:booking
_:booking category Train
_:booking people 8
_:booking ref 3YRAS11J
_:booking type Booking
_:search name yippee noodle bar
_:result area centre
_:result food Asian oriental
_:result phone 01223518111
_:result pricerange moderately priced
_:result type Restaurant
_:search day wednesday
_:search people 8
_:search type Restaurant
_:search destination cambridge
_:search leave_at 15:45
_:result amount Several
_:search departure stansted airport
_:result arrive_by 16:52
_:result id TR9390
_:result leave_at 16:24
_:system offered _:booking
_:booking category Train
_:booking people 8
_:booking ref 3YRAS11J
_:search name yippee noodle bar
_:result area centre
_:result food Asian oriental
_:result phone 01223518111
_:result pricerange moderately priced
_:result type Restaurant
_:search people 8
_:booking duration ?
_:booking type Booking
_:search day wednesday
_:search duration 20:15
_:search type Restaurant
_:search destination cambridge
_:search leave_at 15:45
_:result amount Several
_:search departure stansted airport
_:result arrive_by 16:52
_:result id TR9390
_:result leave_at 16:24
_:system offered _:booking
_:booking category Train
_:booking people 8
_:search name yippee noodle bar
_:result area centre
_:result food Asian oriental
_:result phone 01223518111
_:result pricerange moderately priced
_:result type Restaurant
_:search people 8
_:booking duration ?
_:search day wednesday
_:search duration 20:15
_:search type Restaurant
_:booking ref YP33ONP5
_:booking type Booking