inform((_:search,day,'wednesday');(_:search,departure,'london liverpool street');(_:search,type,'Train'))
user
Hi , I need to catch a train from London Liverpool Street on Wednesday . Can you please give me the schedule for that day ?
inform((_:result,id,'TR7020');(_:result,type,'Train'))
system
TR7020 	 london liverpool street 	 cambridge 	 wednesday 	 05:39 	 07:07 	 16.60 pounds 	 88 minutes 	
 TR8813 	 london liverpool street 	 cambridge 	 wednesday 	 07:39 	 09:07 	 16.60 pounds 	 88 minutes 	
 TR7519 	 london liverpool street 	 cambridge 	 wednesday 	 09:39 	 11:07 	 16.60 pounds 	 88 minutes 	
 TR4161 	 london liverpool street 	 cambridge 	 wednesday 	 11:39 	 13:07 	 16.60 pounds 	 88 minutes 	
 TR2826 	 london liverpool street 	 cambridge 	 wednesday 	 13:39 	 15:07 	 16.60 pounds 	 88 minutes
inform((_:search,day,'wednesday');(_:search,departure,'london liverpool street');(_:search,destination,'Cambridge');(_:search,type,'Train'))
user
It looks like TR4161 from london liverpool street to Cambridge , leaving on   wednesday at 11:39 , fits my schedule .
offer((_:booking,category,'Train');(_:booking,type,'Booking')) request((_:booking,people,?);(_:booking,type,'Booking');(_:search,people,?);(_:search,type,'Train'))
system
Great , would you like me to book that for you ? How many people ?
inform((_:search,people,'two');(_:search,type,'Train'))
user
Yes , please . Two of us are traveling together .
inform((_:booking,ref,'L0HYQ28Z');(_:booking,type,'Booking'))
system
I have booked you two tickets . Your reference number is L0HYQ28Z
bye()
user
Thanks , that 's all . Good bye .
system
welcome again some other time
_:search day wednesday
_:search departure london liverpool street
_:search type Train
_:result id TR7020
_:result type Train
_:search day wednesday
_:search departure london liverpool street
_:search destination Cambridge
_:search type Train
_:result id TR7020
_:result type Train
_:search day wednesday
_:search departure london liverpool street
_:search destination Cambridge
_:system offered _:booking
_:booking category Train
_:booking people ?
_:booking type Booking
_:search people two
_:search type Train
_:result id TR7020
_:result type Train
_:search day wednesday
_:search departure london liverpool street
_:search destination Cambridge
_:system offered _:booking
_:booking category Train
_:booking people ?
_:search people two
_:search type Train
_:booking ref L0HYQ28Z
_:booking type Booking
_:user dismissed _:system