Natalia: Hello Marta!! How are you 
Natalia: I'm sorry for asking you this now, but I faced some problem with computer and last time you helped me
Marta: Hi Natalia! No worries. I wish to help but I'm travelling now, sorry
Natalia: im sorry for texting you because of this
Natalia: i got it already someone else helped me
Natalia: anyway i hope you doing well in your travel
Marta: No worries, it's fine. Studying hard?
Natalia: hhhh trying hard
Natalia: just started to do my homework
Marta: Sounds like a good direction. Don't neglect your homework :) 
Marta is travelling now so she can't help Natalia with her computer issue. Natalia just started to do her homework.