hello ! are there any cheap restaurant -s in the centre ? no just 1 that i can book for friday would be good . 16:00 on friday please for 6 people . yes , can i also get the reference number ?
there are 15 ! are you looking for a particular type of cuisine ? what time would you like to book and for how many people ? zizzi cambridge is an italian restaurant in the centre , shall i book ?
{'service': 'restaurant', 'act': 'inform', 'slot_name': 'ref', 'value': 'az5zzkq0'}
your reference number is az5zzkq0 .