You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you today?

USER:  I am Stephen Robinson want to meet my son who is studying at Austin, TX-AUS. Can you book  a ticket on 12/08?

ASSISTANT: Ok. When you will catch the return flight?

USER:  I will return on 12/10.

ASSISTANT: Do you prefer connecting flight?

USER:  Yes, I need a connecting flight.

ASSISTANT: To proceed booking I need your source code.

USER: I will depart from DC-IAD.

ASSISTANT: Please, wait.

USER:  Ok.

ASSISTANT: There is a flight with airline: Jet blue, flight number:1004, price 100, 1 connection. Shall I proceed?

USER: Ok, you can Proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you.