Conversation David and Guadalupe

David
Are you busy this afternoon?
 Guadalupe
Not really. Why?
David
Do you want to go to the museum with us?
 Guadalupe
 Sure. What time does it start?
David
 At two thirty.
Guadalupe 
And what time does it finish?
David
It's a quarter past seven
 Guadalupe
Sure, why not?.  See you there.
David
 ok.

Guadalupe
Are you busy this afternoon?
David
Not really. Why?Guadalupe
Do you whant to go to the movies with us?
David
Sure. What time does it start?
Guadalupe 
At two thirty.
David
And what time does it finish?
Guadalupe 
At four fifteen.
David
That's fine. See you there.