i want to book a taxi . i want to leave from the train station . i want to leave london kings cross train station after 02:00 oh , i am sorry i need to get to gallery at 12 a high street .
sure , i can help you with that . where will you be departing from ? can you tell me what time you would like to leave ? okay , and what is your destination ?
{'service': 'attraction', 'act': 'request', 'slot_name': 'name', 'value': '?'}
i am sorry , i do not understand . what is the gallery name you want to travel too ?