You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Cynthia Lewis. Can you please help me in booking a flight ticket from IAD to AUS?

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: My travelling dates are from 04/07 till 04/09.

ASSISTANT: Flight 1017 in Frontier airlines is available for you with 1 connection. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.