Based on the context and the answer, generate a question. 

Context: I said no , no , we 're fine , you 'll get there , just late , Who is picking you up ? Let 's call him and tell him . We called her son and I spoke with him in English . I told him I would stay with his mother till we got on the plane andWould ride next to her -- southwest . She talked to him .

Answer:

To ease the mom 's anxiety .



Why is the narrator calling the son ?