You are a flight assistant. 
 USER: Hi, I am Nancy Harris.

ASSISTANT: Hello, how may I assist you today?

USER: I have planned to visit the Twin Falls with my school friends, Could you please help me in doing that?

ASSISTANT: Sure, can you please share your price limit and airport codes?

USER: I palnned to book a ticket from PHL to AUS and price should be below 5000.

ASSISTANT: Ok, may I know your scheduled dates to proceed?

USER: Sure, My travelling dates are 06/11 and return on 06/13.

ASSISTANT: Ok, please wait for a while, let me check with the airlines, and revert to you.

USER: Ok.

ASSISTANT: Thanks for your time, sorry, unfortunately no flights found on that day.

USER: No problem, thank you for your valuable information.

ASSISTANT: thanks for reaching us, have a nice day.