I hope you had a good weekend. I'm glad we had a chance to chat at the convention. I am writing to ask/enquire/let you know/confirm/check/invite you to/to update you on/ask for a favor... Sorry it took me so long to get back to you. The parts in bold/in red/in blue are my comments/are the changes we made. Please find my two main questions below. I didn't/don't fully understand [something]. Could you please explain that again? Please keep me informed/posted/updated/in the loop. Let me know if this is OK with you. I'm sorry but it's out of my hands Any feedback you can give me on this would be greatly/highly/much appreciated. ... please do not hesitate to contact me. Sorry I couldn't be of more help. Sent with [ProtonMail](https://protonmail.com) Secure Email.