When Requesting An Extension At Work messages in a Confident tone

I can provide an update by [new date].

I’d aim to have this done by [new date].

I’m not going to hit the original date—can we revisit timing?

I want to make sure the details are solid.

I’d like to extend the timeline slightly to improve the quality.

I’m focused on quality over speed for this.

I ran into more complexity than expected.

I can adjust based on your feedback.

I’m running into some complexity—can we extend slightly?

I can adjust based on your feedback.