A: I just dropped in to say good
B: What time are you leaving?
A: I'm going to try to leave by 10:00.
B: Take care and give my by best to your parents.
bye. Hope to see you again next year.
A: I'm calling to say good
B: When do you leave?
A: I'm catching [及时赶上] the 11:00 train.
B: Take care of yourself and don't forget to keep in touch.
bye. Thanks again for everything.