WRAP Shiite militia controlled by al-Sadr seize control of Amarah ADDS explosions, smoke

The transcript features a brief interaction where the speaker greets someone and discusses a decision about playing a game, ultimately deciding not to participate.

What does the phrase 'Granny I'm not coming.' suggest about the speaker's relationship with Granny?

How does the response 'No, I'm not.' reflect the speaker's feelings or intentions?