inform((_:search,departure,'cambridge');(_:search,destination,'bishops stortford');(_:search,type,'Train'))
user
Hey I am looking for a train from Cambridge to Bishops stortford . Mind helping out ?
inform((_:result,amount,'many');(_:result,day,'friday');(_:result,type,'Train')) request((_:search,leave_at,?);(_:search,type,'Train'))
system
many trains are leaving on friday . mind choosing the time ?
inform((_:search,arrive_by,'18:45');(_:search,day,'monday');(_:search,type,'Train'))
user
I want to leave on Monday and arrive by 18:45 .
inform((_:result,arrive_by,'6:07');(_:result,departure,'cambridge');(_:result,destination,'bishops stortford');(_:result,id,'TR4283');(_:result,leave_at,'5:29');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
I have train TR4283 that leaves cambridge at 5:29 and arrives in bishops stortford at 6:07 .   Would you like to make reservations ?
request((_:result,duration,?);(_:result,ticket,?);(_:result,type,'Train'))
user
Could you give me the travel time and price of that train please ?
inform((_:result,arrive_by,'6:07');(_:result,departure,'Cambridge');(_:result,destination,'Bishops Stortford');(_:result,duration,'38 minutes');(_:result,leave_at,'5:29');(_:result,ticket,'10.10 pounds');(_:result,type,'Train'))
system
The cost is 10.10 pounds . The duration of the trip is 38 minutes , leaving Cambridge at 5:29 and arriving at 6:07 in Bishops Stortford .
inform((_:search,food,'chinese');(_:search,pricerange,'cheap');(_:search,type,'Restaurant'))
user
I also want a cheap chinese restaurant .
select((_:result,area,'centre');(_:result,area,'south');(_:result,type,'Restaurant')) inform((_:result,count,'4');(_:result,type,'Restaurant'))
system
There are four great restaurants to choose from . Do you prefer one on the south side of town or in the centre ?
inform((_:search,area,'centre');(_:search,type,'Restaurant'))
user
I 'd like to be in the centre please .
offer((_:booking,type,'Booking')) inform((_:result,name,'Charlie Chan');(_:result,type,'Restaurant'))
system
I recommend Charlie Chan . Would you like to reserve a table ?
inform((_:search,day,'monday');(_:search,duration,'10:30');(_:search,people,'8');(_:search,type,'Restaurant'))
user
Yes . Monday , 8 people , 10:30 .
inform((_:booking,ref,'IFJMBKLI');(_:booking,type,'Booking'))
system
Booking was successful . The table will be reserved for 15 minutes . 
 Reference number is : IFJMBKLI .
thank()
user
Thank you very much . That will be all for today . I appreciate all your help .
system
You 're very welcome , please contact us again if you need any other assistance .
_:search departure cambridge
_:search destination bishops stortford
_:search type Train
_:search departure cambridge
_:search destination bishops stortford
_:result amount many
_:result day friday
_:result type Train
_:search leave_at ?
_:search arrive_by 18:45
_:search day monday
_:search type Train
_:search departure cambridge
_:search destination bishops stortford
_:result amount many
_:result day friday
_:search leave_at ?
_:search arrive_by 18:45
_:search day monday
_:search type Train
_:result arrive_by 6:07
_:result departure cambridge
_:result destination bishops stortford
_:result id TR4283
_:result leave_at 5:29
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result duration ?
_:result ticket ?
_:search departure cambridge
_:search destination bishops stortford
_:result amount many
_:result day friday
_:search leave_at ?
_:search arrive_by 18:45
_:search day monday
_:result id TR4283
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result arrive_by 6:07
_:result departure Cambridge
_:result destination Bishops Stortford
_:result duration 38 minutes
_:result leave_at 5:29
_:result ticket 10.10 pounds
_:result type Train
_:search food chinese
_:search pricerange cheap
_:search type Restaurant
_:search departure cambridge
_:search destination bishops stortford
_:result amount many
_:result day friday
_:search leave_at ?
_:search arrive_by 18:45
_:search day monday
_:result id TR4283
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result arrive_by 6:07
_:result departure Cambridge
_:result destination Bishops Stortford
_:result duration 38 minutes
_:result leave_at 5:29
_:result ticket 10.10 pounds
_:search food chinese
_:search pricerange cheap
_:result area centre
_:result area south
_:result count 4
_:result type Restaurant
_:search area centre
_:search type Restaurant
_:search departure cambridge
_:search destination bishops stortford
_:result amount many
_:result day friday
_:search leave_at ?
_:search arrive_by 18:45
_:result id TR4283
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result arrive_by 6:07
_:result departure Cambridge
_:result destination Bishops Stortford
_:result duration 38 minutes
_:result leave_at 5:29
_:result ticket 10.10 pounds
_:search food chinese
_:search pricerange cheap
_:result area centre
_:result area south
_:result count 4
_:search area centre
_:result name Charlie Chan
_:result type Restaurant
_:search day monday
_:search duration 10:30
_:search people 8
_:search type Restaurant
_:search departure cambridge
_:search destination bishops stortford
_:result amount many
_:result day friday
_:search leave_at ?
_:search arrive_by 18:45
_:result id TR4283
_:system offered _:booking
_:booking category Train
_:result arrive_by 6:07
_:result departure Cambridge
_:result destination Bishops Stortford
_:result duration 38 minutes
_:result leave_at 5:29
_:result ticket 10.10 pounds
_:search food chinese
_:search pricerange cheap
_:result area centre
_:result area south
_:result count 4
_:search area centre
_:result name Charlie Chan
_:result type Restaurant
_:search day monday
_:search duration 10:30
_:search people 8
_:search type Restaurant
_:booking ref IFJMBKLI
_:booking type Booking