Проверьте текст на ошибки и еще что можно написать или добавить: hi, dave i met two interesting people at the conference. sara parker is from america. she is finance director. her office is in washington. she loves the work. james billey lives in england. he works as the organizer. he has not office. he wants to lift the career.

Hi, Dave
I was glad to hear from you. I'm fine, thanks. Two days ago I took part at the economic conference.It was great!
I met two interesting people at the conference.
 Sara Parker is from America. She is a finance director. Her office is in Washington. She likes her work.
James Billey lives in England. He works as the organizer. He has no office. He wants to move up his career.  
Sorry, I have to go.
Write soon.
Yours Alex

Hi, Dave.
I met yestarday two interesting people at the conference. 
There were Sara Parker and James Billey.
Sara Parker is from America. She is a finance director. Her office is in Washington. She loves her work.
James Billey lives in England. He is an organizer. He doesn't have office.
He wants to increase in work.