inform((_:search,type,'Train'))
user
I am looking for a train .
request((_:search,day,?);(_:search,destination,?);(_:search,type,'Train'))
system
I 'd be happy to help with your request .   What day will you be travelling and what is your destination ?
inform((_:search,day,'thursday');(_:search,destination,'peterborough');(_:search,type,'Train'))
user
I 'll be heading to peterborough on thursday
inform((_:result,id,'TR7098');(_:result,type,'Train'))
system
these are the available options trainID 	 departure 	 destination 	 day 	 leaveAt 	 arriveBy 	 price 	 duration 	 book 
 ( optional ) 
 TR7098 	 cambridge 	 peterborough 	 thursday 	 05:06 	 05:56 	 16.50 pounds 	 50 minutes 	
 TR4745 	 cambridge 	 peterborough 	 thursday 	 05:34 	 06:24 	 16.50 pounds 	 50 minutes 	
 TR9932 	 cambridge 	 peterborough 	 thursday 	 06:06 	 06:56 	 16.50 pounds 	 50 minutes 	
 TR8769 	 cambridge 	 peterborough 	 thursday 	 06:34 	 07:24 	 16.50 pounds 	 50 minutes 	
 TR6688 	 cambridge 	 peterborough 	 thursday 	 07:06 	 07:56 	 16.50 pounds 	 50 minutes
thank()
user
Thank you for your help
system
You 're very welcome ! Make sure to let us know if you 'd like to book anything !
_:search type Train
_:search day thursday
_:search destination peterborough
_:search type Train
_:search day thursday
_:search destination peterborough
_:search type Train
_:result id TR7098
_:result type Train