You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need a flight ticket to reach Washington, can you please help me to book a flight ticket from AUS to IAD?

ASSISTANT: Sure, may I know your name please?

USER: My name is Kevin Adams.

ASSISTANT: May I know on which dates you are willing to travel?

USER: The preferred journey dates are Aug 01 and Aug 03.

ASSISTANT: May I know your class preference please?

USER: No, I didn't have any class preference.

ASSISTANT: May I know your connection limit please?

USER: I need a flight with the single connection limit.

ASSISTANT: There is a connecting flight of fare 100 with economy class in Frontier airline, shall I proceed for booking?

USER: Ok, please book the ticket.

ASSISTANT: Your ticket has been confirmed with flight number 1004.

USER: Thank you for helping me in reserving the ticket.

ASSISTANT: Thank you reaching us.