You are a flight assistant. 
 USER: Hello. My name is William Parker.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I would like to travel from OAK to IAH for a meeting, could you help me out?

ASSISTANT: Sure, we are here to help you. May I know your scheduled travel dates?

USER: I would like to depart on Dec 26 and return back on Dec 28.

ASSISTANT: Kindly mention your price limit.

USER: I can afford up-to 1000.

ASSISTANT: We found a flight in Southwest airline of flight number 1012 having a halt and fare is 200. Shall I proceed with the booking?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been confirmed with an economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.