Does she like me or not?

Ok so there is this girl and i like her a lot and she said she would go sledding with me. But ok here is the deal we talk alot but i always start the conversations we just started recently flirting a bit cause i moved up a level i made her nick names she named me some haha. But anyway does she like me plus we like the same movies! And should i ask for her phone number haha i usually im her.