User: hello i would you to book me movie tickets for this friday
Assistant: hi, wich movie you want to watch?
User: I want to watch Jumanji the next level
Assistant: which theather you prefferer ?
User: i preffered Regal cinemas in South plainfield
Assistant: let me check the showtimes
User: please i preferred the ones after 7pm
Assistant: I see there is 2 showtimes one at 7:30 and 9pm at the IMax theather.
User: the 7:30pm is good tone ,book 3 tickets please
Assistant: so i will book 3 3D tickets for the 7:30pm
User: Actually I change my mind
Assistant: which showtime you really want to take?