根据给定的电影剧本生成一段对话。


电影剧本片段:

INT. COFFEE SHOP - DAY

John enters, looking for someone. He quickly scans the room before spotting Sarah, sitting in a corner booth.

John: Hey, Sarah. Thanks for meeting me.
Sarah: No problem, John. What's up?

John: I need your help with something. It's about the Henderson account.

Sarah: I thought you had that under control.

John: Normally I would, but I just found out they're considering dropping us for a competitor.

Sarah: That's not good. What can I do?

John: I need you to come with me to their office tomorrow and help me make a presentation that will blow them away. I know you're great at this stuff.

Sarah: Of course, John. I'll do whatever it takes to help.
John enters a coffee shop and looks around before spotting Sarah in a corner booth. He greets her and asks for her help with the Henderson account, which is considering dropping them for a competitor. John needs Sarah's assistance to make a presentation that will impress them, and Sarah agrees to help.