You are a flight assistant. 
 USER: Hello, I am Gregory Scott.

ASSISTANT: Hello. How may I be of your service?

USER: I intend to fly from Austin to meet my manager at Las Vegas. Can you help me book a connecting flight?

ASSISTANT: Sure, may I know how much you can afford for the flight ticket?

USER: I can pay up-to 500. I am planning to travel on 03/01 and return on 03/03.

ASSISTANT: Please let me know your exact airport codes to proceed further.

USER: My journey is from AUS to LAS.

ASSISTANT: Just a minute I will check and revert to you.

USER: Sure.

ASSISTANT: We found a Southwest airline matching your request with the flight number-1007 and the fare is 100.

USER: Book my ticket with this airline.

ASSISTANT: Your booking is proceed with the connecting flight.

USER: Thank you for the booking.

ASSISTANT: You're welcome. Happy journey.