You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you help me in booking my flight ticket from AUS to IAD?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates will be Nov 23rd to Nov 25th.

ASSISTANT: Is there any class preference for you?

USER: I am ok, with any class.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Your good name please.

USER: I am Carolyn Walker.

ASSISTANT: We found an airline: Spirit, flight number: 1009 and price is 200 with one connection.

USER: You can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.