H, thanks for getting back to me on this. Yes, I do have the proposal you sent a while back. Please give me your L's email address and a phone number so my L can get in touch with him/her regarding your proposal. Thanks. M
Modified:
H, thanks for getting back to me on this. Yes, we do have the proposal you sent a while back. I'll have my L get in touch with yours on this. Thanks. M
~~~~~~~~~~~~~~ Then instruct your L not to contact you until you get back after your vacation. You do not need the distraction at all.
