Looking for a room for 5 nights

Shalom dear brothers and sisters!
I'm coming to Frankfurt on Main in October 12-19 for the BookFair because I minister in the Publishing House at our Word of Life church in Moscow. I'll be happy to know if some christian family could welcome me for those dates. I've been so late to think about accomodation, that now I see all the hotels are reserved, only the very expensive left. And also I would like to go to the church on Sunday with the service in English.
I'll be blessed and very thankful to get any answer.
Blessings in the Lord!