You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you now?

USER: Could you please help me in booking a flight ticket from Austin, TX-AUS to Denver, CO-DEN?

ASSISTANT: Sure, I will help you with booking. Please mention your planned journey dates?

USER: My planned journey dates are 11/18 and 11/20.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a flight of airline Frontier, flight number is 1003 and fare is 100. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for visiting us. May I know your name?

USER: My name is Dorothy Baker.

ASSISTANT: Thank you.