How To Write On Offer For A Commercial Property We Got An Offer Our Commercial Real Estate, Now What?

We got an offer our commercial real estate, now what? - how to write on offer for a commercial property

Our agency is located outside the city, received a call from her today and someone made an offer. What now? Are you do not want to see the offer in written form? I counter, how goes it with him outside the city?
He said they have a loan commitment until the 10th October, what does this mean? They have not even interested in the house that is not strange?