You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Debra Perez here. I want to reserve my flight ticket from Austin, my preferable airport code are from AUS to SEA. Can you please help me in this booking?

ASSISTANT: Sure, may I know your journey dates please?

USER: My travelling dates are 01/28 to 01/30.

ASSISTANT: Frontier airlines is available in your route with the ticket fare of 200, shall I proceed with the booking?

USER: Sure, you can proceed with that flight booking.

ASSISTANT: Your ticket is booked with the flight-1020.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for approaching us.