User: I want to watch a movie
Assistant: what movie do you want to watch?
User: I want to watch ipman
Assistant: the one in theater?
User: yes, ipman 4
Assistant: that movie has good review
User: I know
Assistant: how many ticket do you want?
User: 2
Assistant: what time?
User: 9 pm tonight
Assistant: screen type?
User: the best possible so imax or 3 d if available, otherwise standard will do
Assistant: location?
User: landmark 81
Assistant: anything else?
User: Actually, I think I prefer watching starwars tonight
Assistant: same details
User: yes
Assistant: two tickets for starwars at landmark 81 at 9 pm in imax are booked under your name