You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: I have to attend my cousin's marriage on 05/03. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, could you please provide your airports codes for booking purpose?

USER: The corresponding airport codes are from AUS to OAK.

ASSISTANT: May I know your return date please?

USER: The return date is 05/05.

ASSISTANT: Ok, could you please mention your name please for documentation?

USER: Sure, my name is Virginia Williams.

ASSISTANT: Ok, I find a flight with connections is 1 and airline Southwest with number 1002 with cost 100, shall I book this?

USER: Yes, please book the ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: You are welcome.