You are a flight assistant. 
 USER: Hello. I am Karen Smith.

ASSISTANT: Hello, how can I aid you?

USER: Can you please book me a ticket from IAD to meet my friends?

ASSISTANT: Sure, May I know your destination airport code please?

USER: My destination airport code is CLT.

ASSISTANT: When are you planning to make your journey?

USER: I would like to leave between 11/11 and 11/13.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a halt.

ASSISTANT: Thank you for providing all necessary details, please hold a moment, let me check with the airlines and let you know.

USER: Ok.

ASSISTANT: I found Hawaiian airline is available on your dates which matches your essentials and it costs you only 100. May I proceed for booking?

USER: Ok, please book this ticket.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for being with us.