You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Joshua Perez here. I want to travel from AUS to LAS for attending a meeting. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you with that. May I know your travel dates please?

USER: My departure date is 12/14 and return date is 12/16.

ASSISTANT: There is a flight available with single connecting flight and the airlines is UA. Can I proceed?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is booked successfully and the flight number is 1014.\.

USER: Thank you for helping me.

ASSISTANT: Thank you for utilizing our service.