Dear Susan,
I’m very sorry that I was out when you came to see me yesterday evening. I’m afraid I’d gone to the pub with some friends and didn’t get back until 12 o’clock. I wish I had known you were in Luoyang as you could have come with us. It would have been a good introduction to the night life! Anyway, I will call on you at 10 o’clock on Saturday morning at your hotel. We can have the day together, if you have nothing else planned? I’ll show you some of the places of interest that you may not have seen.
Please let me know if you will be available on Saturday morning.
Best wishes,