User: Hello, I'd like to purchase 2 tickets to see Sonic the Hedgehog tomorrow.
Assistant: Sure! Which theater would you like to go to?
User: The AMC in Burlington, Massachusetts.
Assistant: AMC Burlington Cinema 10 on 20 South Ave in Burlington, Massachusetts. Is that correct?
User: Yes, that's right.
Assistant: Ok, what showing would you prefer?
User: The 8:30 PM showing is the only one I can make.
Assistant: Ok, great. There is a Dolby Digital screening of this movie available. Would you like to to book this, or keep it in standard format?
User: Sure, let's do a Dolby Digital screening.
Assistant: Great, there will be an additional fee of $3 per ticket for the Dolby Digital screening.
User: Oh, then forget it. I don't want to pay that much.
Assistant: Ok, would you like to book the standard screening instead?