You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking the flight ticket from DFW to OAK?

ASSISTANT: Sure, please share me your travelling dates?

USER: I would like to travel on Dec 07 and return on Dec 09.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know your name?

USER: Raymond Brown here.

ASSISTANT: We found 1008 Southwest airline with direct flight and price of 100, shall I proceed with booking?

USER: Please, proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thank you for booking the flight ticket.

ASSISTANT: Thank you for reaching us.