You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in booking my flight ticket from OAK to ORD?

ASSISTANT: Sure, can you please share your journey dates?

USER: My planned travel dates are April 25-27.

ASSISTANT: Are you looking for any preferred connections?

USER: I prefer to fly in connected flight.

ASSISTANT: Do you have any other specifications to be met?

USER: I want to fly in economy class.

ASSISTANT: Can I have your name to proceed further?

USER: Myself, Susan Robinson.

ASSISTANT: We found a direct flight of Southwest airlines, flight number-1009  class-economy and fare is 200. Shall I proceed with the booking?

USER: Ok, please go ahead.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.