EaseMyTrip Sent me wrong ticket and are not reply flight leaves in 24 hours

Completely wrong tickets I booked a one way from Bangkok to London for tomorrow these tickets are someone elses name from london to boston the texas, on the 20th and its a return on the 31st too costing over £1000 mine was under £400, there 24/7 support is none existent I have a message off someone called emma on whtapps from them saying she wanted to chat about 13 hours ago, I replied after 5 minutes and she has ignored me since…

What should I be doing right now? Flight leaves 12:20pm tomorrow