You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Barbara Nelson.

ASSISTANT: How can I assist you today today?

USER: I would like to book a flight ticket from ORD to SFO.

ASSISTANT: Ok, please can I know the dates of your journey too?

USER: Sure, my travelling dates are Jan 2 and Jan 4.

ASSISTANT: Ok, please wait a moment I will check. In the mean while let me know your specifications.

USER: Sure.

ASSISTANT: There is a flight ticket available with 1 connection limit and the airfare is 100 for the class economy. Can I book a flight 1001?

USER: You can proceed with booking.

ASSISTANT: Ok, the flight ticket is confirm and the airlines is Spirit.

USER: Thank you for your help.