inform((_:search,destination,'cambridge');(_:search,type,'Train'))
user
I am looking for a train going to Cambridge . Can you help me ?
thank() request((_:search,day,?);(_:search,type,'Train'))
system
Sure . And on what day do you want to travel ?
inform((_:search,day,'thursday');(_:search,departure,'stansted airport');(_:search,leave_at,'17:45');(_:search,type,'Train'))
user
I 'll be leaving stansted airport anytime after 17:45 on thursday
inform((_:result,arrive_by,'18:52');(_:result,destination,'cambridge');(_:result,id,'TR5921');(_:result,leave_at,'18:24');(_:result,type,'Train'))
system
The next flight after your desired time is at 18:24 on the TR5921 train . You would arrive by 18:52 at cambridge .
inform((_:search,people,'1');(_:search,type,'Train')) request((_:result,ref,?);(_:result,type,'Train'))
user
make reservation for 1 person and give me reference number
inform((_:booking,category,'Train');(_:booking,ref,'XZHNMJRS');(_:booking,ticket,'10.1 GBP');(_:booking,type,'Booking'))
system
Your reference number is XZHNMJRS and it will cost 10.1 GBP .
inform((_:search,food,'italian');(_:search,type,'Restaurant'))
user
Great . I also need a restaurant serving italian food .
request((_:search,area,?);(_:search,pricerange,?);(_:search,type,'Restaurant')) inform((_:result,amount,'a few');(_:result,food,'italian');(_:result,type,'Restaurant'))
system
We have quite a few good italian restaurants in Cambridge . Do you prefer a particular area or price range ?
inform((_:search,area,'south');(_:search,day,'thursday');(_:search,duration,'20:15');(_:search,people,'1');(_:search,type,'Restaurant'))
user
It should be in the south , whatever you recommend . I 'll need a booking for 1 person at 20:15 on Thursday .
inform((_:result,name,'pizza express');(_:result,type,'Restaurant'))
system
Would you like to try pizza express ?
inform((_:search,day,'thursday');(_:search,people,'1');(_:search,type,'Restaurant'))
user
Yes , that will work . Please book a table for 1 person at 20/15 on Thursday .
inform((_:booking,ref,'JO641TUZ');(_:booking,type,'Booking'))
system
Booked ! The table will be reserved for 15 minutes . 
 Reference number : JO641TUZ .
thank()
user
Thank you very much .
system
enjoy your stay in Cambridge !
_:search destination cambridge
_:search type Train
_:search destination cambridge
_:search day thursday
_:search departure stansted airport
_:search leave_at 17:45
_:search type Train
_:search destination cambridge
_:search day thursday
_:search departure stansted airport
_:search leave_at 17:45
_:result arrive_by 18:52
_:result destination cambridge
_:result id TR5921
_:result leave_at 18:24
_:result type Train
_:search people 1
_:search type Train
_:result ref ?
_:search destination cambridge
_:search day thursday
_:search departure stansted airport
_:search leave_at 17:45
_:result arrive_by 18:52
_:result destination cambridge
_:result id TR5921
_:result leave_at 18:24
_:result type Train
_:search people 1
_:result ref ?
_:booking category Train
_:booking ref XZHNMJRS
_:booking ticket 10.1 GBP
_:booking type Booking
_:search food italian
_:search type Restaurant
_:search destination cambridge
_:search departure stansted airport
_:search leave_at 17:45
_:result arrive_by 18:52
_:result destination cambridge
_:result id TR5921
_:result leave_at 18:24
_:result ref ?
_:booking category Train
_:booking ref XZHNMJRS
_:booking ticket 10.1 GBP
_:booking type Booking
_:search food italian
_:search pricerange ?
_:result amount a few
_:result food italian
_:result type Restaurant
_:search area south
_:search day thursday
_:search duration 20:15
_:search people 1
_:search type Restaurant
_:search destination cambridge
_:search departure stansted airport
_:search leave_at 17:45
_:result arrive_by 18:52
_:result destination cambridge
_:result id TR5921
_:result leave_at 18:24
_:result ref ?
_:booking category Train
_:booking ref XZHNMJRS
_:booking ticket 10.1 GBP
_:booking type Booking
_:search food italian
_:search pricerange ?
_:result amount a few
_:result food italian
_:search area south
_:search duration 20:15
_:result name pizza express
_:result type Restaurant
_:search day thursday
_:search people 1
_:search type Restaurant
_:search destination cambridge
_:search departure stansted airport
_:search leave_at 17:45
_:result arrive_by 18:52
_:result destination cambridge
_:result id TR5921
_:result leave_at 18:24
_:result ref ?
_:booking category Train
_:booking ticket 10.1 GBP
_:search food italian
_:search pricerange ?
_:result amount a few
_:result food italian
_:search area south
_:search duration 20:15
_:result name pizza express
_:result type Restaurant
_:search day thursday
_:search people 1
_:search type Restaurant
_:booking ref JO641TUZ
_:booking type Booking