Dictionary / Vocabulary / 差し支えなければ
さしつかえなければ
if it's alright; if you don't mind my asking; if it's all the same to you
Also written 差しつかえなければ
差し支えなければ同行したいのですが。
I'd like to come along if you don't mind.
差し支えなければ、ご連絡先をお伺いしてもよろしいでしょうか。
If you don't mind me asking, could I have your contact information?