Request
Explain the need and give the interviewer the opportunity to respond.
Culture
Polish in relationships: boundaries, politeness and directness
How to speak clearly without losing respect for the interlocutor.
Refusal
Briefly name the boundary and, if you want, suggest an alternative.
Misunderstanding
Separate intention from effect: I didn't mean to say that; I will try to explain differently.
Context
The degree of directness depends on the relationship, place and purpose of the conversation.