Dear Alice,
It's pretty nice to hear that you will visit my city.I can not wait to have a great time with you.However,I will have an English test at the time you get right off the airplane.I apologize that i will be late to pick you up.Could you stay at the sitting rom and have some coffee?I will come and see you after a few moments.Do not be afraid how to figure me out.The person who wears a white T shirt and holds two red ballons will be your first-time meeting friend.
See you soon.
Best regards,
XXX