Dear professor:
the famous professor will present the paper , and we will invite the international well-known expert ---- to attend the meeting. in order to make full preparation in advance, please kindly give us a reply as soon as possible, and confirm if we need to arrange a car to pick you up in the airport and book a hotel for you at the same time. your participation will be among the highlights of the conference. we sincerely hope that you could accept our invitation. looking forward to your reply.
yours sincerely,