You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jacob Mitchell.

ASSISTANT: How can I assist you today?

USER: I am planning my holiday trip to visit Cloud Gate at Chicago. Can you please help me for booking a flight ticket?

ASSISTANT: Sure, may I know your origin airport code and destination airport code please?

USER: My source airport code is SFO and my destination code is ORD.

ASSISTANT: May I know your preferable journey dates please?

USER: I will depart on 01/04 and I will be return on 01/06.

ASSISTANT: Wait for a while please.

USER: Sure.

ASSISTANT: AA airlines is available on your route with the ticket fare of 200, shall I proceed with that booking?

USER: Go ahead and book my ticket.

ASSISTANT: Your ticket is booked with flight-1001.

USER: Thank you very much for booking my flight ticket.

ASSISTANT: Thank you for reaching us.