You are a flight assistant. 
 USER: Hello. I am Eric Evans.

ASSISTANT: Hello, how best I can serve you at this moment?

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

ASSISTANT: Sure, when would you like to make your journey?

USER: I want to fly in the flight on Dec 27 and Dec 29.

ASSISTANT: Do you prefer business or economy class in your journey?

USER: No, but I want to return in evening time.

ASSISTANT: May I know your connection limit please?

USER: I want to have a connection of 1.

ASSISTANT: Ok, please be on hold.

USER: Ok, take your time.

ASSISTANT: We found a JetBlue airlines, price is 100 in economy class, your return time is 12:00 AM. Shall I proceed?

USER: Proceed to booking.

ASSISTANT: Your ticket has been reserved with 1009 flight number.

USER: Thank you for your help.

ASSISTANT: Thank you  for choosing us.