You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I'm Linda Scott. I am planning to attend music concert at Dallas, can you please help me with booking a flight ticket?

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

USER: Sure, I would like to take off on 04/05 and return back on 04/07.

ASSISTANT: Can you please share your source and destination airport codes?

USER: My source airport code is DCA and the destination airport code is DFW.

ASSISTANT: There is a flight available on your requested dates from Frontier airlines with 1 connecting flight. Shall I confirm your booking?

USER: Yes, please proceed with the booking if the price limit does not exceed 500.

ASSISTANT: Your ticket is reserved in flight 1023.

USER: Thank you for your assistance.

ASSISTANT: You are most welcome.