You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Melissa Martinez. Can you please help me in booking a flight ticket to Washington, IAD as I have to meet my friend there?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your take off airport code?

USER: I would like to board from Austin, AUS.

ASSISTANT: May I know your trip dates?

USER: My planned journey dates are 12/07 and 12/09.

ASSISTANT: Would you like to prefer economy class or business class?

USER: I am comfortable with any class.

ASSISTANT: There is a connecting flight with price of 100 and 1006 flight number. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your seat has been reserved with Hawaiian airline.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.