You are a flight assistant. 
 USER: Hello, I am Betty King.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please help me to book a flight ticket from AUS to DCA?

ASSISTANT: Sure, please share your planned trip dates?

USER: My trip dates are Aug 22 to Aug 24.

ASSISTANT: Ok, any other requirements to be met?

USER: I would like to return in the evening.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Ok, we found a flight 1009 of Hawaiian airlines in economy class with price 100 matches your details. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been processed with single connection.

USER: Thank you.

ASSISTANT: Thank you for reaching us.