inform((_:search,area,'centre');(_:search,food,'asian oriental');(_:search,type,'Restaurant'))
user
Hello , can you tell me about some Asian Oriental restaurants in the centre ?
request((_:search,pricerange,?);(_:search,type,'Restaurant')) inform((_:result,amount,'several');(_:result,type,'Restaurant'))
system
There are several . Would you like a list of all of them , or do you have a preferred price range ?
user
Would you please recommend one ?
offer((_:booking,type,'Booking')) inform((_:result,name,'j restaurant');(_:result,type,'Restaurant'))
system
I recommend j restaurant . Would you like a reservation ?
inform((_:search,day,'friday');(_:search,duration,'13:45');(_:search,people,'5');(_:search,type,'Restaurant'))
user
Sure , for 5 people at 13:45 on Friday .
inform((_:booking,ref,'9Z2BJHO4');(_:booking,type,'Booking'))
system
Booking was successful . The table will be reserved for 15 minutes . 
 Reference number is : 9Z2BJHO4
inform((_:search,type,'Train'))
user
I am will need a train .
request((_:search,day,?);(_:search,destination,?);(_:search,type,'Train'))
system
Okay , what day are you traveling and what is your destination ?
inform((_:search,day,'friday');(_:search,departure,'ely');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
I need to get from ely to cambridge , on that same Friday .
inform((_:result,arrive_by,'5:52');(_:result,id,'TR8519');(_:result,leave_at,'5:35');(_:result,type,'Train'))
system
The TR8519 train leaves at 5:35 and arrives at 5:52
inform((_:search,people,'same group of people');(_:search,type,'Train'))
user
make a booking for the same group of people .
reqmore() inform((_:booking,category,'Train');(_:booking,ref,'J71IZZAE');(_:booking,ticket,'22 GBP');(_:booking,type,'Booking'))
system
Booking was successful , the total fee is 22 GBP payable at the station . Reference number is : J71IZZAE . Is there anything else I can assist you with today ?
user
I also need reservation for food .
request((_:search,food,?);(_:search,type,'Restaurant'))
system
Do you know what kinda of food you want .
user
No , do n't worry about it . I already got a reservation earlier . That is all I need .
system
Thank you for using our service today .
_:search area centre
_:search food asian oriental
_:search type Restaurant
_:search area centre
_:search food asian oriental
_:search pricerange ?
_:search type Restaurant
_:result amount several
_:result type Restaurant
_:search area centre
_:search food asian oriental
_:search pricerange ?
_:result amount several
_:system offered _:booking
_:booking type Booking
_:result name j restaurant
_:result type Restaurant
_:search day friday
_:search duration 13:45
_:search people 5
_:search type Restaurant
_:search area centre
_:search food asian oriental
_:search pricerange ?
_:result amount several
_:system offered _:booking
_:result name j restaurant
_:result type Restaurant
_:search day friday
_:search duration 13:45
_:search people 5
_:booking ref 9Z2BJHO4
_:booking type Booking
_:search type Train
_:search area centre
_:search food asian oriental
_:search pricerange ?
_:result amount several
_:system offered _:booking
_:result name j restaurant
_:result type Restaurant
_:search duration 13:45
_:search people 5
_:booking ref 9Z2BJHO4
_:booking type Booking
_:search day friday
_:search departure ely
_:search destination cambridge
_:search type Train
_:search area centre
_:search food asian oriental
_:search pricerange ?
_:result amount several
_:system offered _:booking
_:result name j restaurant
_:search duration 13:45
_:booking ref 9Z2BJHO4
_:booking type Booking
_:search day friday
_:search departure ely
_:search destination cambridge
_:result arrive_by 5:52
_:result id TR8519
_:result leave_at 5:35
_:result type Train
_:search people same group of people
_:search type Train
_:search area centre
_:search food asian oriental
_:search pricerange ?
_:result amount several
_:system offered _:booking
_:result name j restaurant
_:search duration 13:45
_:search day friday
_:search departure ely
_:search destination cambridge
_:result arrive_by 5:52
_:result id TR8519
_:result leave_at 5:35
_:result type Train
_:search people same group of people
_:search type Train
_:system inquired _:user
_:booking category Train
_:booking ref J71IZZAE
_:booking ticket 22 GBP
_:booking type Booking
_:search area centre
_:search pricerange ?
_:result amount several
_:system offered _:booking
_:result name j restaurant
_:search duration 13:45
_:search day friday
_:search departure ely
_:search destination cambridge
_:result arrive_by 5:52
_:result id TR8519
_:result leave_at 5:35
_:result type Train
_:search people same group of people
_:system inquired _:user
_:booking category Train
_:booking ref J71IZZAE
_:booking ticket 22 GBP
_:booking type Booking
_:search food ?
_:search type Restaurant