Theresa May meets with German Chancellor Angela Merkel during 'Quint' group meeting in Berlin

The transcript discusses international cooperation through the G7 and G20, focusing on migration and security issues. It highlights EU actions to address migration's root causes and efforts to strengthen European security in complement with NATO. Additionally, it provides an update on Brexit preparations, emphasizing a smooth and orderly process for triggering Article 50 by March 2017, aiming for a solution beneficial to both the UK and EU partners.

What preparations are being made regarding Brexit according to the speaker?

What is the speaker's goal for the Brexit process by the end of March 2017?