User: Hi, I am here to book one ticket for the upcoming movie
Assistant: Which movie ticket do you need sir?
User: A Joker movie
Assistant: which theater do you need?
User: Can you tell me the theater names?
Assistant: Here's the available theater list:1.Blue line2.Wire Tou
User: Book the ticket in Blue line theater
Assistant: Which showtime do you need?
User: Can you tell me the show times?
Assistant: 7 PM is the show time. How many tickets do you need sir?
User: I need four tickets.
Assistant: Which date do you prefer?
User: Feb 22 2020.
Assistant: Blue line theater have 3 screens. Which one do you need sir?
User: What is the difference between screens?
Assistant: Screen 1 is 3D. Screen 2 is 3D with wide screen and Screen 3 is 7D