inform((_:search,departure,'hamilton lodge');(_:search,destination,'gourmet burger kitchen');(_:search,type,'Taxi'))
user
Hi , I need a taxi to gourmet burger kitchen going from hamilton lodge !
request((_:search,arrive_by,?);(_:search,type,'Taxi'))
system
When would you like to get there by ?
user
I want to leave after 4:00 .
request((_:search,arrive_by,?);(_:search,type,'Taxi'))
system
When would you like to arrive ?
inform((_:search,arrive_by,'dontcare');(_:search,leave_at,'4:00');(_:search,type,'Taxi'))
user
It does n't matter , I just want to leave after 4:00 .
inform((_:result,car,'grey ford');(_:result,phone,'07789662806');(_:result,type,'Taxi'))
system
Booking completed ! 
 Booked car type 	 : 	 grey ford 
 Contact number 	 : 	 07789662806
thank()
user
Thank you so very much .   I am finished .
system
Thank you for contacting the Cambridge TownInfo centre !
_:search departure hamilton lodge
_:search destination gourmet burger kitchen
_:search type Taxi
_:search departure hamilton lodge
_:search destination gourmet burger kitchen
_:search arrive_by ?
_:search type Taxi
_:search departure hamilton lodge
_:search destination gourmet burger kitchen
_:search arrive_by dontcare
_:search leave_at 4:00
_:search type Taxi
_:search departure hamilton lodge
_:search destination gourmet burger kitchen
_:search arrive_by dontcare
_:search leave_at 4:00
_:search type Taxi
_:result car grey ford
_:result phone 07789662806
_:result type Taxi