can you book me a taxi from avalon to de luca cucina and bar ?
{'service': 'taxi', 'act': 'request', 'slot_name': 'leave', 'value': '?'} {'service': 'taxi', 'act': 'request', 'slot_name': 'arrive', 'value': '?'}
easy enough . what time would you like to leave by as well as arrive to ?