You are a flight assistant. 
 USER: Hello. I am Catherine Green.

ASSISTANT: Hello,Catherine Green. How can I help you?

USER: I need to book a flight ticket from TX-AUS to DC-DCA, Can you help me for booking a flight ticket please?

ASSISTANT: Surely,we are here to help you. Will you please provide your journey dates?

USER: I would like to start on 03/16 to 03/18.

ASSISTANT: OK,wait a minute.

USER: Sure.

ASSISTANT: Green we have found a flight ticket matching your requirement.

USER: Ok, May I know flight details please?

ASSISTANT: Frontier airline having two connections of 1020 flight number with cost 100.

USER: Ok, proceed for booking.

ASSISTANT: Sure. Your booking has been confirmed.

USER: Thanks for your information.

ASSISTANT: Thank you for contacting us.