User: Hello can you do me a favor ?
Assistant: Sure what do you need?
User: I need some information about movies for tonight.
Assistant: Okay what do you need?
User: I need to know if Star Wars is playing tonight after 8:30 PM in a theater located in Lake Worth, TX preferable if it is in IMAX or 3D.
Assistant: Okay I will check for you.
User: Thanks for being helpful.
Assistant: How many people will be attending?
User: Two people so I would need two tickets.
Assistant: Okay no problem.
User: Hopefully I can get some tickets at a decent price.
Assistant: Okay I have a showing at 9:20 PM at Lake Worth AMC 14 for Star Wars in IMAX or 3D your choice and two tickets will be 17.00.
User: Okay lets book that then in IMAX.
Assistant: Okay let me start the process.
User: While you do that I need to make a call.
Assistant: Okay no problem.
User: Before you finish can I make a change?
Assistant: Okay what change ?