You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: This is Amy Allen, can you help me to book a flight ticket from ORD to ATL?

ASSISTANT: Sure, can I know your preferable dates?

USER: I am travelling from Sept 13 to Sept 15.

ASSISTANT: I found an economy class ticket in Hawaiian airlines with normal cost of 300 and it is a single connecting flight. Can I book your ticket?

USER: Do not proceed, my price limit is 200.

ASSISTANT: Thank you.

USER: Thanks for the information.