I was already halfway through

[tufguy]

I was going for the interview yesterday and I was already halfway through when I received a call from the hr department that I needed to come the next day.

Please check my sentences. Can we say "I was already halfway through"?

 

[5jj]

You were halfway through what?

 

[tedmc]

I was on my way to an interview yesterday when the HR department called to inform me that the interview was postponed to the next day.

 

[emsr2d2]

Yesterday, I was halfway to a job interview when the HR department called me to tell me the interview had been postponed until today.