Из прямой в косвенный надо olga: what are you doing here, guys? emily: we've been visiting my friend jane. and what about you, grandma? olga: oh, one of the doctors, whom i've known for ages, has just phoned me and asked for help. mark: what has happened? olga: a russian lady and her son came to the hospital this morning. the boy is very ill, but he and his mother can't explain anything. i have come to translate for them. misha: i can help too. rob: we'll all go. olga: thank you, but i don't think it's a good idea. i can't take all of you with me. emily: grandma is right. let misha go with her and we'll wait here.

Olga asked what they were doing there.

Emily answered that they had been visiting her friend Jane. Then she asked, what Olga was doing there as well.
Olga anwered that one of the doctors, whom she had known for ages, had phoned her and asked for help.
Mark asked what had happened?
Olga anwered that a Russian lady and her son had come to the hospital that morning. The boy was very ill, but he and his mother couldn't explain anything. She had to come to translate for them.
Misha said that he could help too.
Rob added that they all would go.
Olga thanked them, but she didn't think that it was a good idea. She couldn't take them all with her.
Emily said that the Grandma was right. She said that Misha could go with her and that they all could wait there.