You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I'm Barbara Martin. I am planning to attend music concert at AUS, can you please help me with booking a flight ticket from IAD?

ASSISTANT: Yes, I can help you. Can you share me your travelling dates?

USER: Sure, I would like to take off on 12/14 ad return back on 12/16.

ASSISTANT: Give me a moment.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: I have found a flight ticket with a price of 100 and 1 connecting flight. Can I proceed to booking?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.