It's all AU.

Jack had left John passed out on the bed.

That he ended up in the TARDIS was less a conscious decision than wanting to take a shower, and less desire to take a shower than instinct to get somewhere that was safe, that wasn't closed in.

He unlocked the door, completely failed to respond to the Master's presence, dropped his coat on the captain's chair and walked out of the room and into the interor of the TARDIS, headed straight for his room.

There was a faint red line still showing around his throat, and his stance and gait were off - off because he was still moving carefully, in deference to being sore as fucking hell.

The most obvious thing wrong was, of course, that he didn't acknowledge the Master.

Follow on from here
And set before the events here

John had finished up with his weapons training, still nursing a sulk with himself for fucking things up with Jamie. He took his advice though and went for a rest in his room in his hotel. He slept fitfully, but was down for some time. When the alarm started going off on his wrist comp announcing it was time for their dinner date, he came round with a shock. Time was irritating him here, this didn't feel like the time that his comp was telling him it was.

He shrugged it off, figuring Jamie would be able to work out the time enough to know when to meet him.  He showered, and after digging about in the drawer, came out with a clean tee shirt. He slung his weapons on, just in case, and headed down to the restaurant. 

John actually felt hungry for a change, even if it did feel more like breakfast than dinner. Ah, who cared? If time couldn't be bothered to make sense, then who was he to argue?

He settled at a table in the middle of the empty restaurant, and ordered a bottle of whiskey to keep him going until Jamie arrived. He nodded to the server when they arrived with it, and as he looked towards it, he could see Jamie arriving in the distance. He smiled broadly and waved.