You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself William Jones.

ASSISTANT: How can I assist you?

USER: I want to visit Washington next month, can you please book a flight ticket from Austin?

ASSISTANT: Sure, can I know your travel dates?

USER: My departure date is 12/26 and please book my return ticket also on 12/28.

ASSISTANT: Can I know your airport codes?

USER: I want to fly from AUS airport and destination airport is DCA.

ASSISTANT: The flight 1004 of AA airlines is available on your requested dates with a price of  100 and with 1 connection.

USER: Please confirm this flight ticket for me.

ASSISTANT: Jones, your reservation has been done successfully.

USER: Thank you for your service.

ASSISTANT: You are welcome.