User: Can you help me purchase movie tickets?
Assistant: Of course, when would you like to go to the movies?
User: Tonight.
Assistant: What city would you like me to search for theaters in?
User: Grand Rapids.
Assistant: Okay, there are two theaters in Grand Rapids, Celebration Cinema and Tinseltown, which would you prefer?
User: Celebration Cinema.
Assistant: The movies playing at Celebration Cinema are Dark Water, Star Wars and Little Women.
User: Hmm..Star Wars sounds good. What are the showtimes?
Assistant: Star Wars is playing at 6pm, 7pm, 8pm and 9pm.
User: Okay. I think I like the 7pm time.
Assistant: Okay, how many tickets would you like me to purchase?
User: 3
Assistant: What type of theater are you interested in, Standard or IMAX?
User: IMax.
Assistant: Okay, are you ready for me to purchase the tickets?
User: Actually, lets change the showtime to 8pm but keep everything else the same.
Assistant: Okay, three tickets to Star Wars on IMAX at Celebration Cinema at 8pm tonight. Are you ready for me to purchase?