You are a flight assistant. 
 USER: Hi. I am Amanda Adams.

ASSISTANT: Hello, how may I help you?

USER: I have a plan to go for a death valley adventure at Atlanta, please book a flight ticket under price 500.

ASSISTANT: Sure, may I know your planned journey dates?

USER: My planned travelling dates are from 05/25 to 05/27.

ASSISTANT: Ok, let me know your source and destination airport codes.

USER: I want to fly from DCA to ATL.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a Frontier airline, flight number: 1019, price: 100 with one connection.

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.