角色介绍：
Person A: Mark, a successful businessman in his 40s. He's always busy with work and seldom has time for small talk.
Person B: Sarah, a friendly bank teller in her 20s. She enjoys chatting with customers and getting to know them.

请续写他们的对话内容。Sarah: Good morning Mark! Sure, I can help you with that. Do you have the account information with you?Mark: Yes, here it is. Can we make it quick? I have a meeting in 30 minutes.Sarah: No problem. Just give me a moment to confirm the details. So, how's your day going so far?Mark: It's been busy as always. I'm afraid I don't have much time for small talk.Sarah: I understand. Businessmen like you are always busy. But it's nice to take a break and chat once in a while, don't you think?Mark: (smiling) Yes, I suppose you're right. Maybe we can catch up next time I come in.Sarah: Absolutely, Mark. It's always a pleasure to talk to you.Mark:
Thank you, Sarah. You're always so friendly and efficient. Have a good day.Sarah: You too, Mark!