You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I am looking to book a flight ticket from AUS to IAD. Can you help me for that?

ASSISTANT: Sure, when do you want to start and return on?

USER: My travelling dates are Sep 21 and Sep 23.

ASSISTANT: Do you need a connecting flight?

USER: I prefer to book a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Can I know your good name?

USER: My name is Pamela Mitchell.

ASSISTANT: Thank you for your details, we found a connecting flight 1011 in Frontier airline which is in class economy. Shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you.