急~求求大家帮帮忙。大学需要一篇给导师的圣诞节英文邀请函。3句话就可以的~

五种常用的英文邀请信
一、Dear sir/madam:
Im delighted you have accepted our invitation to speak at the Conference
in [city] on [date].

As we agreed, youll be speaking on the topic "" from [time] to [time]. There
will be an additional minutes for questions.

Would you please tell me what kind of audio-visual equipment youll need. If you could let me know your specific uirements
by [date], Ill have plenty of time to make sure that the hotel provides you with what you need.

Thank you again for agreeing to speak. I look forward to hearing from you.

Sincerely yours,
[name]
[title]

二、Dear sir/madam:
Thank you for your letter of [date]. Im glad that you are also going to [place] next month. It would be a great pleasure
to meet you at the [exhibition/trade fair].

Our company is having a reception at [hotel] on the evening of [date] and I would be very pleased if you cou