You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER: I am John Clark. I am planning to attend my cousin wedding in Philadelphia, so please help me in booking a flight ticket from Dallas.

ASSISTANT: Sure, we are here to oblige you. Kindly, mention your price limit.

USER: I can afford up to 500.

ASSISTANT: May I know your nearest origin airport code?

USER: My airport codes are TX - DFW, PA - PHL.

ASSISTANT: When you are willing to travel to Philadelphia?

USER: I want to fly on 12/06 and return on 12/08.

ASSISTANT: Do you need any connection in your journey?

USER: I need a direct flight.

ASSISTANT: Thank you for sharing your journey details, please hold on.

USER: Sure.

ASSISTANT: Thank you for your valuable time. You have a flight with airline Southwest and flight number is 1011 with 1 connection and price is 100. Can I reserve your seat?

USER: Don't proceed to booking.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a nice day.