We were in the same fare class. Our company travel co-ordinator booked the tickets for us. I think the booking code was 'E'

To Guy Betsy : I decided to take my boss's biz class seat onboard and let him take my first class seat. Then my boss came running back to biz class, swearing and cursing. He told me he has been "kicked out of first class and was insulted in first class. So I had to go back. It might be my fault that I didnt inform the FA that we changed seats....