You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Scott Smith.

ASSISTANT: How can I help you?

USER: I need to book a ticket to meet my friend on 07/28.

ASSISTANT: Sure, I will help you in flight ticket booking. Can you please provide your airport codes?

USER: My travelling airport codes are LAX and AUS.

ASSISTANT: Is there any return trip that you are planning to book the ticket?

USER: I intend to return on 07/30.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 200 is provided by Southwest airlines. Shall I proceed with this flight?

USER: You can proceed with booking.

ASSISTANT: Ok, the ticket booking is done in 1019 flight number. Enjoy your flight trip.

USER: Thank you for helping me.

ASSISTANT: You are most welcome.