Complete the following conversation with will or be going to?

Complete the following conversation with will or be going to. Max : Wow, its cold out there. Kelly : I Respuesta (make) some tea to warm us up. Would you like a piece of cake as well? Max : Tea sounds fantastic! But I Respuesta (have) lunch with some friends later, so I'd better skip the cake. Kelly : I Respuesta (have) lunch in the afternoon too. Max : While tea is ready, tell me about your next vacation, Jane. Kelly : Fred and I Respuesta (visit) Ontario next summer. Have you ever been there? Max : My girlfriend lives in Ontario! I Respuesta (give) you my girlfriend's phone number. When you get to Ontario, just call her and she Respuesta (give) you a little tour around the town. She can show you the most beautiful and interesting places that you can’t leave to visit.