You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Raymond Adams. I am planning to book a ticket to attend a meeting at IAD. Can you please help me out to book a ticket from AUS?

ASSISTANT: Sure, May I know your travelling dates?

USER: I would like to travel on Oct 25 and return back on Oct 27.

ASSISTANT: Ok, do you have any class preference?

USER: I am ok with any class.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting flight in 1000 Frontier Airlines with a fare of 200. Can I proceed for booking?

USER: That's fine, please proceed the booking.

ASSISTANT: Sure, your ticket has been booked in economy class and depart time is 7:00 AM and return time is 17:00 PM.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.