Раскройте скобки. Английский язык.

Thank you for your letter of 23 September (to invite) me (to speak) at your conference. I (to remember) very well meeting you at the Healthcare Exhibition last year and I really (to enjoy) our discussions then. Of course, I (to be) delighted (to participate) in the conference and (to speak) in the recent developments in our field of study. I (to study) the enclosed draft agenda and I (to be) confident that the discussions (to be) very useful. Therefore I (to like) to attend other sessions of the conference as well. I (to confirm) that I (require) accommodation from 12 to 16 March. I (to look) forward to (to see) you and your colleagues again.