You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER:  I am Emily Edwards here.

ASSISTANT: Ok.

USER:  I want to reserve my flight booking from PA-PHL to TX-AUS.

ASSISTANT: Ok, may I know your travelling dates?

USER: My preferable travelling dates from 04/19 to 14/21 with connection limit  1.

ASSISTANT: Here is a flight ticket with fare 300 and AA as airline and 1024 as flight number.

USER: Sure, you can proceed with this booking.

ASSISTANT: Ok, your ticket is confirmed.

USER:  Thank you for your service.

ASSISTANT: Most welcome.