Birth Record Search in the Philippines

I'm looking for someone who can help me find the birth record of a person born in the Philippines.

Details:
- I have the full name of the person and their parent's names
- I have the alleged date of birth of the person
- I know the city in which they were born, but not the specific hospital
- I have the person's passport number

Ideal Skills:
- Proficient in record searching
- Familiarity with the Philippines' birth record system, ideally working in the relevant department to be able to do this search
- Discretion and speed of search