inform((_:search,departure,'bishops stortford');(_:search,destination,'cambridge');(_:search,type,'Train'))
user
Need a train to cambridge from bishops stortford .
inform((_:result,day,'friday');(_:result,leave_at,'7:29 am');(_:result,type,'Train'))
system
There is a train on friday that leaves at 7:29 am
inform((_:search,arrive_by,'15:45');(_:search,type,'Train'))
user
Will that train arrive by 15:45 ?
inform((_:result,arrive_by,'8:07');(_:result,destination,'Cambridge');(_:result,type,'Train')) offer((_:booking,category,'Train');(_:booking,type,'Booking'))
system
Yes , it arrives in Cambridge at 8:07 .   Would you like me to reserve some seats for you ?
request((_:result,duration,?);(_:result,ticket,?);(_:result,type,'Train'))
user
What is the price and travel time for that train ?
inform((_:result,duration,'38 minutes');(_:result,ticket,'10.10 pounds');(_:result,type,'Train'))
system
The price is 10.10 pounds and the travel time is 38 minutes .
inform((_:search,food,'german');(_:search,pricerange,'moderate');(_:search,type,'Restaurant')) request((_:result,ticket,?);(_:result,type,'Train'))
user
I am also looking for a restaurant that serves german food at the moderate price range .
request((_:search,food,?);(_:search,pricerange,?);(_:search,type,'Restaurant')) canthelp((_:search,type,'Restaurant'))
system
I 'm sorry , but there are no restaurants that meet all of those specifications . Would you like to look for a different cuisine type or price range ?
inform((_:search,food,'chinese');(_:search,type,'Restaurant'))
user
Can you recommend a Chinese restaurant since German is not available ?
inform((_:booking,name,'Shanghai Family Restaurant in the city centre');(_:booking,type,'Booking')) reqmore() inform((_:result,amount,'several');(_:result,type,'Restaurant'))
system
Yes , there are there are several . I could try to book you a table at Shanghai Family Restaurant in the city centre , or would you like to hear about the others ?
inform((_:search,day,'same day');(_:search,duration,'18:45');(_:search,people,'2');(_:search,type,'Restaurant'))
user
Ok , I need a table for 2 at 18:45 on the same day please .
reqmore() inform((_:booking,duration,'18:45');(_:booking,people,'2');(_:booking,ref,'6VIFYHL7');(_:booking,type,'Booking'))
system
I have a table for 2 reserved for you at 18:45 , your reference number is   6VIFYHL7 . Is there anything else I may assist you with today ?
user
No , that s all i needed .
system
Thank you for contacting Cambridge TownInfo centre .   I hope you have a nice visit !   Goodbye !
_:search departure bishops stortford
_:search destination cambridge
_:search type Train
_:search departure bishops stortford
_:search destination cambridge
_:result day friday
_:result leave_at 7:29 am
_:result type Train
_:search arrive_by 15:45
_:search type Train
_:search departure bishops stortford
_:search destination cambridge
_:result day friday
_:result leave_at 7:29 am
_:search arrive_by 15:45
_:search type Train
_:result arrive_by 8:07
_:result destination Cambridge
_:result type Train
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result duration ?
_:result ticket ?
_:search departure bishops stortford
_:search destination cambridge
_:result day friday
_:result leave_at 7:29 am
_:search arrive_by 15:45
_:result arrive_by 8:07
_:result destination Cambridge
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result duration 38 minutes
_:result ticket 10.10 pounds
_:result type Train
_:search food german
_:search pricerange moderate
_:search type Restaurant
_:result ticket ?
_:search departure bishops stortford
_:search destination cambridge
_:result day friday
_:result leave_at 7:29 am
_:search arrive_by 15:45
_:result arrive_by 8:07
_:result destination Cambridge
_:system offered _:booking
_:booking category Train
_:booking type Booking
_:result duration 38 minutes
_:result ticket 10.10 pounds
_:result type Train
_:result ticket ?
_:search pricerange ?
_:system canthelp _:search/7d7126e3
_:search/7d7126e3 type Restaurant
_:search food chinese
_:search type Restaurant
_:search departure bishops stortford
_:search destination cambridge
_:result day friday
_:result leave_at 7:29 am
_:search arrive_by 15:45
_:result arrive_by 8:07
_:result destination Cambridge
_:system offered _:booking
_:booking category Train
_:result duration 38 minutes
_:result ticket 10.10 pounds
_:result ticket ?
_:search pricerange ?
_:system canthelp _:search/7d7126e3
_:search/7d7126e3 type Restaurant
_:search food chinese
_:booking name Shanghai Family Restaurant in the city centre
_:booking type Booking
_:system inquired _:user
_:result amount several
_:result type Restaurant
_:search day same day
_:search duration 18:45
_:search people 2
_:search type Restaurant
_:search departure bishops stortford
_:search destination cambridge
_:result day friday
_:result leave_at 7:29 am
_:search arrive_by 15:45
_:result arrive_by 8:07
_:result destination Cambridge
_:system offered _:booking
_:booking category Train
_:result duration 38 minutes
_:result ticket 10.10 pounds
_:result ticket ?
_:search pricerange ?
_:system canthelp _:search/7d7126e3
_:search/7d7126e3 type Restaurant
_:search food chinese
_:booking name Shanghai Family Restaurant in the city centre
_:result amount several
_:result type Restaurant
_:search day same day
_:search duration 18:45
_:search people 2
_:search type Restaurant
_:system inquired _:user
_:booking duration 18:45
_:booking people 2
_:booking ref 6VIFYHL7
_:booking type Booking