Enjolras was not very well practised at having conversations in English yet, and considered he'd just woken up, he took a pause of a few seconds as he tried to process what had just been said. Then, once he'd figured it out, he couldn't understand how he hoped to do that, but modern technology was something that was going to forever baffle him. Better to accept the help.
"Thank you, that would be great," he responded finally, his heavily accented voice probably giving away the reasons for the pause. Internal translator at work.
How long had the other man been there? Had he been snoring? Or worse, shouting, screaming, or just saying anything in his sleep? He ran his fingers through wild curls, and then wiped at his face as if to pull himself together fully into the waking world.