You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: May I know your journey dates?

USER: My journey dates are from Feb 27 to Feb 29.

ASSISTANT: Let me know your connection limit.

USER: I need a lay by in between journey.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Katherine Robinson.

ASSISTANT: There is a connecting flight-1020 in economy class, shall I book it?

USER: Sure, you can proceed for booking.

ASSISTANT: Ok, booking is done on AA airlines.

USER: Thanks for your help.

ASSISTANT: Welcome Katherine Robinson.