You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: Please help me to book a flight ticket from IAD to AUS.

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: Thank you, My trip dates are from Oct, 21 to Oct, 23.

ASSISTANT: May I know your name?

USER: Virginia Scott.

ASSISTANT: Do you have any other specifications?

USER: I need a single connecting flight.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found Frontier airline with connecting flight and number 1009 fare of 200 with economy class, Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thanks for approaching us.