You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I serve you?

USER: I want to visit some historical places at Chicago, please help me with booking a flight ticket. I need a connection within my journey.

ASSISTANT: Sure, may I know your good name please?

USER: I am Carolyn Lewis.

ASSISTANT: Let me know your travelling dates, please?

USER: My Depart date is on 03/30 and Return date is on 04/01.

ASSISTANT: May I know your preferable airport codes please?

USER: I want to fly to Chicago, IL- ORD from Atlanta, GA- ATL.

ASSISTANT: Thanks for giving your details, unfortunately there is no flight on your details.

USER: Ok, no issues.

ASSISTANT: Thanks for choosing us.

USER: Thank you.

ASSISTANT: Have a nice day.