Where am I?

I am up, having spent most of yesterday asleep. I was woken up by a phone call at one point. The conversation went like this,
"Mr Dowd, I'm phoning to confirm the delivery of your order."
I took a second, to remember who Mr Dowd was.
"Oh, thank you. Can you send it to America, I'm in England at the moment, but I live there."
Cue some consternation at the end of the line. I looked around the room and realized where I was.
"Ah, my mistake, I'm in America."
"Yes Mr Dowd."
"And you're sending me the stuff here?"
"Yes."
"Of course you are. I thought I was still in England. I'm awake now, thanks for the call."
"Have a nice day Mr Dowd."
"Thanks. sorry about that."
This happens to me every time I've been back to England. Every time.