England (UK) Flight time from Dublin, Ireland to London Heathrow, England (UK): 1 hours. Best time to travel: May - October. USA (New York) Flight time from Dublin, Ireland to New York, USA (New York): 7 hours. Best time to travel: All year round (but hot in July & August) Argentina.
Alternatively get her to download and use Whatsapp when sending messages. iMessages is an iPhone only app, and thus will only work with iPhones and cannot send to any other phone, unlike Whatsapp which does the exact same thing, i.e. send text like messages, but via your data just like iMessages.
To sync your contacts, calendars and other personal data between your Samsung Galaxy phone and your Windows computer, you need the Samsung Kies syncing software installed on your PC. Kies is available for free from Samsung, however, the software may not be available in all regions.