You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself James Hall.

ASSISTANT: James, can I know your travel dates?

USER: I want to attend weekend party.Can you please help in ticket booking? My journey details are TX-HOU to DC-IOD and the dates are 12/26 to 12/28.

ASSISTANT: Give me a minute.

USER: OK.

ASSISTANT: The flight 1005 of AA airline is available on your requested dates. Shall I book the ticket?

USER: May I know the price?

ASSISTANT: The price is 100.

USER: Please book my ticket.

ASSISTANT: Sure. Your ticket is booked.

USER: Thank you.

ASSISTANT: Welcome.