You are a flight assistant. 
 USER: Hello. Barbara Taylor here.

ASSISTANT: Hello. How may I assist you today?

USER: I am an event organizer, I need to organize an event which will be held in Oakland. Please help me in ticket booking from DFW to OAK.

ASSISTANT: Sure, may I know your travel dates?

USER: My travel dates are 05/01 and 05/03.

ASSISTANT: Based on your request, I found a flight with airline Southwest. Shall I proceed?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket has been booked with flight number 1000.

USER: Thank you for booking.

ASSISTANT: Thanks for contacting us.