Here is some useful vocabulary in different registers for asking for information:
Informal
- I’d like to know…
- I’m looking for info about…
- Any chance you know about…?
Informal or semi-formal
- Is there any way that you could tell me….
- Can you find out about…for me?
- Do you happen to know…?
Semi-formal or formal
- If it is not too much trouble, I wonder if you could…
- I am interested to know…
- If it is not too inconvenient, I would be grateful if you could…
- I hope that you do not mind me contacting you, but…
Formal
- I was wondering if you have any information regarding…
Suitable for all types of register
- Could you tell me…?
- Do you know if….?
- Do you happen to know if..?
- Could you tell me about…?