User: I want to buy movie tickets.
Assistant: How may I help you?
User: I want to buy 5 movie tickets.
Assistant: Sure, what movie would you like to purchase?
User: I would like to buy movie tickets for "Dolittle".
Assistant: And what is the city and name of the movie theater?
User: The city is Los Angeles, CA and the movie theater is Regal 26.
Assistant: What is your screening preference?
User: My screening preference is IMAX.
Assistant: Thank you! And what day are you planning to go watch?
User: I am planning for this Sunday.
Assistant: Sure, I will mark that down right away.
User: Sorry, please change the number of movie tickets to 2.
Assistant: No problem. I will make the new change right away.
User: Thank you!
Assistant: You are welcome! I can book them right away. At what time do you prefer?