doubt in transcription

[thilagakukkoo]

Hi,
What is the exact phonetic transcription of the following sentence?

"I didn't see him yesterday"

Please tell me the answer.

with many thanks,
Thilaga

[Tdol]

There are different possibilities. For instance, some people would drop the second 'd' in 'didn't' and say /dInt/ while others would say it as two syllables, with a schwa after the second 'd'.