You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I help you?

USER: My name is Brain Perez.I need a book flight ticket.

ASSISTANT: OK,can you please tell your journey details?

USER: I want to book a ticket from TX -AUS  to NY-JFK.

ASSISTANT: Can I have your journey dates?

USER: My departure date is:Dec/13 and arrival date is:Dec/15.

ASSISTANT: OK,wait for a moment I will revert you back with the information.

USER: OK.

ASSISTANT: We found a flight as per your request. flight number:1019 and number of connections : 1. Shall I proceed with booking a ticket?

USER: OK.

ASSISTANT: OK, your booking is done.

USER: OK.Thanks for your service.

ASSISTANT:  Have a safe  journey.