You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket from Austin to Los Angeles to attend a interview. Can you help me book a flight ticket within the price of 200?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My travel is from AUS to LAX.

ASSISTANT: Could you please provide me your planned journey dates?

USER: I would like to travel on 08/07 and 08/09.

ASSISTANT: May I know your good name please?

USER: My name is Elizabeth Lee.

ASSISTANT: Thanks for waiting, we found a connecting flight, price is 100.

USER: Proceed for booking with this airline.

ASSISTANT: Your flight ticket has been confirmed with Frontier airline, flight number: 1008.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.