Change in Petitioner name in DS-160 after scheduling H1B visa interview

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Hi,

I had scheduled an H1 B visa interview when I was with Company A (DS-160 Form with petitioner as "Company A"). But a couple days later,I got an offer from Company B and H1 transfer is done as well.
So in such case can I edit the DS-16 form with new petiotioner as "Company B" or should I cancel the interview and reschedule again with a new DS-160 form with petitioner as Company B?

Please suggest.

Thanks,
Ikram