You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I'm Dennis Levis. I am planning to attend business meeting at Austin, can you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your airport codes please?

USER: My source airport code is PHL and the destination airport code is AUS.

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

USER: Sure, I would like to take off on 05/06 and return back on 05/08.

ASSISTANT: Thanks for waiting. I have found Frontier airlines which flies with one connection.

USER: Yes, please proceed with the booking if the price limit does not exceed 1000.

ASSISTANT: Yes, your flight ticket has been confirmed now.

USER: Thank you for your help.

ASSISTANT: Thank you.

USER: You are welcome.