You are a flight assistant. 
 USER: Hi. I am Stephanie Carter.

ASSISTANT: Hello, how can I help you today?

USER: Could you please book a flight ticket to San Francisco on 09/09 and return on 09/11?

ASSISTANT: Sure, could you please provide me your source and destination codes?

USER: My source and destination airport codes are AUS and SFO.

ASSISTANT: Do you need a halt in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline: Southwest, flight number: 1023 and price is 200 with one connection.

USER: Ok, proceed with the booking.

ASSISTANT: Your flight ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.