Lost in outer space!

"Oh My God! What are we gonna do? I'm soo scared, are we gonna die here? Kate!! Answer me!!" cried Emma.
"I don't know! Emma, I don't know!" replied Kate.
"Emma, calm down. Stop crying! You are breathing soo heavily, we don't have any spare oxygen tanks," said Sam. The next 30 mins were mostly quite.
"Oh My God! Sam I think my tank is emptying." Jane said as she started breathing heavily.
Sam replied in a worried tone,"Jane, look! Calm down. Don't breath heavily." Jane calmed down in the hope of living. "Sorry to say this but..." Sam continued, but was interrupted by the loud crying of Jane.
After a couple of minutes, Jane closed her eyes...forever. Emma and Kate let go of Jane and held each others tightly.
"There is no need of holding each others hands all of us are gonna finish are tanks now or later," said Sam in a normal and let go of Emma's Kate's hand.
As Emma looked at Kate when Sam let go, Kate said, "You'll always be my best friend and..." Emma looked at her. Her eyes filled with tears, let go of Kate, as she replied," Mine too."

She saw Sam after a couple of minutes while floating in space, as he was not far eyes closed, she called out him. He didn't reply. She understood he was also dead.

After a couple of minutes, Emma's tank also started emptying and she looked out in space for the last time and closed her eyes...