You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to visit Austin, will you help me in booking the flight ticket from PHL to AUS?

ASSISTANT: May I know your travel dates?

USER: My preferable journey dates are Nov 11 and Nov 13.

ASSISTANT: Do you have any connecting limit preferences?

USER: I need a flight with single connection.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: May I know your name please?

USER: Myself William Scott.

ASSISTANT: Frontier Airlines is providing the connecting flight on this route and the fare of 100. Shall I proceed?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your reservation is confirmed for the flight 1001.

USER: Thank you for helping me in booking the flight ticket.

ASSISTANT: Thank you for choosing us.