You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you now?

USER: I am planning to travel from DCA to AUS, help me in booking a flight?

ASSISTANT: Sure, please share me your planned journey dates?

USER: My travelling dates are Mar 25 to 27.

ASSISTANT: Please mention your connection limit?

USER: I prefer single connection flight.

ASSISTANT: Do you have any other requirement?

USER: No.

ASSISTANT: I found a connecting flight 1008 of airline Frontier, fare is 100 and class is economy. Shall I proceed with booking?

USER: Proceed for booking.

ASSISTANT: May I know your name to complete the booking?

USER: I am Joseph Garcia.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for visiting us, have a nice journey.