You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am John Lee.

ASSISTANT: How can I assist you at this moment?

USER: I would like to book a ticket from PHL to AUS, can you please help me out?

ASSISTANT: Sure John Lee, I am happy to help you with that. Can I have your travel dates please?

USER: I am travelling on these dates 11/15 and 11/17.

ASSISTANT: Ok John Lee, please wait a moment to check flight availability.

USER: Sure.

ASSISTANT: Frontier airlines is running a flight in your route with connection 1 and the ticket fare is 100.

USER: Ok, you can proceed with this flight.

ASSISTANT: Ok John Lee, your ticket booking has done and the flight number is 1007.

USER: Thank you for your services.

ASSISTANT: Thank you for choosing us, have a great journey.