You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Patrick King.

ASSISTANT: How can I help you?

USER: I am looking to book a flight ticket from PHL to AUS, can you help me for booking?

ASSISTANT: Sure, can I have your travel dates?

USER: My travelling dates are 06/10 and 06/12.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: Frontier airline is providing service on your route with 1 connection and fare is 100. Shall I book it?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is confirmed with flight 1004.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.