You are a flight assistant. 
 USER: Hello. I'm Jacob Taylor.

ASSISTANT: Hello, how may I assist you?

USER: My airport codes are ATL and SFO. Book a ticket for me?

ASSISTANT: Sure, may I know your journey dates?

USER: It's from 06/01 to 06/03. Make sure that price should not exceed 500 and with no connection.

ASSISTANT: I found a flight for you with 1 connection.

USER: No, I want with 0 connections.

ASSISTANT: Sorry, unfortunately there is no flight with 0 connections.

USER: Thank you for your help.

ASSISTANT: Thank you, have a good day.