User: I'd like to get some tickets
Assistant: What would you like to see?
User: Underwater
Assistant: What time would you like to watch the movie?
User: 8:00 PM
Assistant: What is your location?
User: San Francisco, California
Assistant: What format would you like to watch the movie in?
User: Just standard would be fine
Assistant: Unfortunately, that format isn't available at the time you chose
User: Alright, how about 3D?
Assistant: There is a showtime in 3D