You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name please.

USER: I'm Robert Roberts.

ASSISTANT: How can I guide you?

USER: I am looking for a flight ticket with a price of 200.Can you help me out?

ASSISTANT: Sure, I am happy to help you. May I know your journey dates?

USER: I want to fly on 02/16 and 02/18.

ASSISTANT: Can you tell me your takeoff and landing airport codes?

USER: I need to travel from HOU to DEN.

ASSISTANT: Give me a moment.

USER: Ok.

ASSISTANT: There is a flight with price 100, flight number is 1004 and airline is Southwest. Can I proceed the booking.

USER: Yes, proceed with booking.

ASSISTANT: Your ticket is confirmed successfully.

USER: Thank you for helping me out.

ASSISTANT: Your most welcome.