i want to book a taxi .
user
sure , i can help you with that . where will you be departing from ?
assistant
i want to leave from the train station .
user
can you tell me what time you would like to leave ?
assistant
i want to leave london kings cross train station after 02:00
user
okay , and what is your destination ?
assistant
oh , i am sorry i need to get to gallery at 12 a high street .