You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Edward Lee here. I want to travel from Oakland to Houston. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, on what dates that you are willing to book your ticket?

USER: My travelling dates are Nov 02 and Nov 04.

ASSISTANT: May I know your genesis and terminus airport codes?

USER: My airport codes are OAK and IAH.

ASSISTANT: Is there any time preference that you need for your journey?

USER: No.

ASSISTANT: May I know your fare limit?

USER: I can afford up to 1000.

ASSISTANT: I have checked with your details, there is a flight 1006 in Southwest airlines which is one of the best airways providing a flight for you with a 1 halt in your journey with a fare of 100, can I confirm your flight ticket booking?

USER: I would prefer direct flight.

ASSISTANT: Sorry, there is no direct flight.

USER: Anyway, thanks for the information.

ASSISTANT: You are most welcome and thank you for reaching us.