You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Robert Jackson. My friend's planned for the trip to ORD, so I need a flight ticket for me. Can you help me in booking a flight from ATL?

ASSISTANT: Yes, I can help you.

USER: Thank you.

ASSISTANT: May I know your journey dates?

USER: My trip dates are 06/20 and 06/22.

ASSISTANT: Please wait for a moment.

USER: Ok, please make sure that the connection limit is 0.

ASSISTANT: Yes, sure. I am sorry, there are no flights that are providing a flight ticket to book your ticket. Sorry for the trouble.

USER: It's ok, thank you.

ASSISTANT: Thank you for your time in reaching us, have a nice day.