You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me in booking a flight ticket from ATL to ORD?

ASSISTANT: Sure, I am here to help you. Can I have your travelling dates?

USER: I want to travel on 05/29, and return on 05/31.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I need a break in my journey.

ASSISTANT: Are there any other specifications for you?

USER: I prefer for normal cost airline.

ASSISTANT: May I know your good name?

USER: I am Thomas Gonzalez.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: No problem, thanks for the information.

ASSISTANT: Thank you for contacting us.