You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a flight from AUS to SEA, can you help me in booking?

ASSISTANT: Yes, can you tell me your dates of travel?

USER: Sure, my planned travel dates are Nov 09 and Nov 11.

ASSISTANT: Do you have any other specifications?

USER: I would like to return my journey for the evening flight.

ASSISTANT: Give me a moment.

USER: Sure, I will wait for your response.

ASSISTANT: I have found a business class ticket with a price of 500 and 1 connecting flight.

USER: That's fine, please proceed in booking.

ASSISTANT: Can I know your name for booking?

USER: Sure, myself Charles Clark.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.