You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can i do for you?

USER: I am Alexander Nelson. I am planning to attend a school anniversary function in DTW from ATL. Can you find a ticket for me?

ASSISTANT: May I know when you like to go?

USER: My planning dates are from 08/19 to 08/21.

ASSISTANT: I got a flight with 1 connection. Shall I proceed?

USER: Sorry, I need a flight with 0 connection.

ASSISTANT: Ok. Anyways, thank you to join our agency.

USER: Thank you.