You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I'm Andrew perez. Can you book a ticket for me?

ASSISTANT: Sure, I would happy to help you.May I know your source and destination?

USER: I would like to travel from TX - AUS to DC - IAD.

ASSISTANT: May I know your travelling dates?

USER: The departure is on 06/12 and return is on 06/14.

ASSISTANT: As per your requirement I found a ticket for you.The price is 100, connection is 1. Is it OK for you?

USER: OK, please book the ticket.

ASSISTANT: I has been confirmed your ticket.

USER: Thank you for your help.

ASSISTANT: Thank you.