A: Well, I must be off now. I have an appointment at six.
B: In that case, I won’t keep you any longer. Drop in any time.
A: OK. Goodbye.
B: See you later.
A: I just dropped in to say goodbye.
B: What time are you leaving?
A: I’ll leave at 10 o’clock.
B: Take care and give my best to your parents.
A: Thank you, I will. Hope to see you again next year.
A: Thank you for coming to see me off.
B: Not at all.
A: If I have time, I’ll come again.
B: You’re welcome at any time.
A: Thank you for your hospitality. I hope I didn’t cause you too much trouble during my stay.
B: You’re most welcome.
A: I’m afraid I have to go now. The plane will take off soon.
B: Call us as soon as you get home.