Hello, and thank you for your message. I would like to see you too, just don't know when, probably earliest in two weeks because I'm going on a business trip. Have a nice week.

zum Beispiel:

Hello, thanks for your message. I would like to meet you too, but I'm not sure about the date as I will be on a business trip for the next two weeks. Let's discuss a date that works for both of us. Have a nice week!