[It's an important skill to have, in his line of work. On the other hand, she picked her job entirely because she could work from home. Very few cases of needing to banter with co-workers when you don't really have any.]

I've got beer in the fridge. But I thought it'd be safer to bring water bottles, so yours is an old-fashioned.

[If he complains about whisky she's going to be very surprised.]

I don't think I'm afraid of heights, no.

[She grabs the satchel she's packed, double-checking that she's got everything before giving him an expectant look.]