HI,. I am Larry Edwards.
user
Hello, how can I assist you today?
assistant
 I am planning to visit a CNN center in Atlanta, so please book a flight ticket within a price limit of 500?
user
Sure, may I know your planned travel dates?
assistant
I want to travel on 10/28, and need to catch return flight on 10/30.
user
May I know your source and destination codes?
assistant
I need to leave from my nearest airport LAX to reach ATL.
user
We are glad to say that, we found an airline: Frontier, flight number: 1000 and price is 200.
assistant
Proceed with the booking.
user
Your flight ticket has been reserved.
assistant
Thank you for choosing us.
user
Thank you for opting us.
assistant