inform((_:search,destination,'tang chinese');(_:search,type,'Taxi'))
user
I need a taxi to take me in time for my reservation to tang chinese today
request((_:search,departure,?);(_:search,type,'Taxi'))
system
Where will you leave from ?
inform((_:search,departure,'backstreet bistro');(_:search,type,'Taxi'))
user
I am leaving from the backstreet bistro .
request((_:search,arrive_by,?);(_:search,leave_at,?);(_:search,type,'Taxi'))
system
Alright . I will just need a time from you please .
inform((_:search,arrive_by,'18:00');(_:search,type,'Taxi'))
user
I want to arrive by 18:00
inform((_:result,arrive_by,'18:00');(_:result,car,'grey tesla');(_:result,phone,'07243724592');(_:result,type,'Taxi')) reqmore()
system
Booking is complete , a grey tesla will be arriving at 18:00 .   The contact number is 07243724592 .   Do you need any further assistance ? 
 .
thank()
user
Great , thanks ! That was everything .
system
We are happy to help . Thank you for using our services .
_:search destination tang chinese
_:search type Taxi
_:search destination tang chinese
_:search departure backstreet bistro
_:search type Taxi
_:search destination tang chinese
_:search departure backstreet bistro
_:search leave_at ?
_:search arrive_by 18:00
_:search type Taxi
_:search destination tang chinese
_:search departure backstreet bistro
_:search leave_at ?
_:search arrive_by 18:00
_:search type Taxi
_:result arrive_by 18:00
_:result car grey tesla
_:result phone 07243724592
_:result type Taxi
_:system inquired _:user