You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want a direct flight from DTW to OAK. Please help me in booking my ticket.

ASSISTANT: Sure, can I have your planned trip dates please?

USER: My planned dates are from 03/27 to 03/29.

ASSISTANT: May I know your name please?

USER: Please book this ticket with the name Virginia Mitchell.

ASSISTANT: I found a flight available in Southwest airlines with fare 200. Can I book your ticket?

USER: Please book this ticket for me.

ASSISTANT: Ok, your ticket has been booked with flight number 1009.

USER: Thank you.

ASSISTANT: Thank you for approaching us.

USER: My pleasure.