You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I need to attend sports meeting at Austin, TX - AUS. Can you help me in booking a flight ticket from Washington?

ASSISTANT: Sure, I will help you to book a flight. Please mention your planned journey dates?

USER: Sure, I need to start my journey on 05/04 and return on 05/06.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Please share me your source point?

USER: Washington, DC - DCA is my origin.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a connecting flight 1001 of airline Frontier and fare is 200. Shall I proceed with booking?

USER: Yes, please.

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

USER: Melissa Williams is my name.

ASSISTANT: Your flight ticket has been booked.

USER: Thanks for booking my ticket.

ASSISTANT: Thank you for reaching us.