User: Hi! I could use some help.
Assistant: Of course, how may I help?
User: I'd like to see a movie, please.
Assistant: Sure! What sounds good?
User: Well, my kid wants to go see Sonic the Hedgehog, so I guess that.
Assistant: Sure! Where would you like to see it?
User: I'd like to go to the Cinemark theater in Erie, PA
Assistant: Of course. What time of day would you like to see it?
User: Afternoon, please.
Assistant: Certainly. There are showings at 2:30 p.m. and 4:30 p.m.
User: Actually, one second. He changed his mind. He now wants to go see Dolittle.
Assistant: You would like to switch your movie selection to Dolittle?
User: Yes, please.
Assistant: And you would still like to see it in the afternoon?
User: Yes.
Assistant: There is a 1:15 p.m. showing.