You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: This is Nicole Williams, from Charlotte.

ASSISTANT: How may I aid you today?

USER: Can you aid me in booking flight ticket from my hometown to Austin, within fare 5000?

ASSISTANT: Sure, when are you planning to start and return on?

USER: I am planning to start on 12/31 and return on 01/02.

ASSISTANT: Which airports do you prefer to take off and land on?

USER: Takeoff from NC - CLT, and land on TX - AUS.

ASSISTANT: Do you prefer a connecting flight?

USER: Yes, I do prefer a connecting flight.

ASSISTANT: We found a connecting flight 1017 in Southwest airline the price is 100. Shall I proceed?

USER: Everything's fine, you may proceed for booking now.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for aiding me in booking.

ASSISTANT: Thank you.