Direction: Maggie is a secretary to HLD Information and Communication Company. Her company is going to hold a technology seminar from May 10 to May 11. And she is required to make a reservation to Hilton Hotel. Please help her to write a reservation letter according to the following information given in Chinese.
1. 带浴室的双人房18间，3晚
2. 可容纳35人的会议室1间，2天
3. 到达时间：5月9日下午5:30；离开时间：5月12日上午10:00
4. 想了解酒店的房价、会议室的租金及膳食服务等情况
5. 希望尽早得到答复