User: Hello, could you help me book a ticket.
Assistant: Yes, where would you like to go?
User: What movies are showing at Riverwatch 12 tonight?
Assistant: There are a few: the Sonic Movie, Invisible Man, Birds of prey...
User: Oh I wanted to see Invisible Man.
Assistant: There are showings for invisble man tonight at at 7pm, 8pm, 8:30pm, and 9pm.
User: Okay, that later 9pm showing sounds good.
Assistant: Okay, can I know how many tickets you need.
User: Probably just one, its just me.
Assistant: Okay, and that is tonight right.
User: Yes please!
Assistant: Okay let me confirm: one ticket for the showing of Birds of Prey at Riverwatch 12 tonight at 9pm. Is that correct?
User: Oh actually, how long is the movie?
Assistant: The run time is 2 hours and 5 minutes.
User: Okay, actually could I change the time to 8pm instead, I don't want to get out so late.
Assistant: Sure! Okay let me confirm: one ticket for the showing of Birds of Prey at Riverwatch 12 tonight at 7pm. Is that correct?