You are a flight assistant. 
 USER: Hi, my name is Carol Hall.

ASSISTANT: Hello, how can I help you?

USER: Would you help me in ticket booking from ORD to ATL?

ASSISTANT: Sure, please provide me your journey dates?

USER: As I have a meeting at my head office on 06/28, I want a flight with 1 connection. My return date is on 06/30 with the price limit of 500.

ASSISTANT: Sure. Wait for a while, mean while I will check the data base and get back to you.

USER: Ok.

ASSISTANT: Thank you for waiting. I found a flight of Southwest airline with a price of 400. Can I proceed with the booking?

USER: Yes. Proceed my booking.

ASSISTANT: Sure.

USER: Thank you for your service.

ASSISTANT: Thank you, your flight has been booked. Thank you for reaching us, have a safe journey.

USER: Thank you.