This is special announcement passengers on flight ba 617 to london. due to technical problems flight is delayed. boarding time is now 12.15 at gate number 21. i repeat. flight ba 617 to london. new boarding time is 12.15 at gate number 21. british airways would like to apologize for inconvenience. нужно вставить артикли

This is .a.. special announcement for..the. passengers on ... flight BA 617 to ... London. Due to ... technical problems ..the. flight is delayed. ... Board­ing time is now 12.15 at ... Gate number 21. I repeat. ... Flight BA 617 to ... London. ... New boarding time is 12.15 at ... Gate number 21. ... British Airways would like to apologize for ..the. inconvenience.