You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am doing a research on science and technology, So I have to know some more information about that, I am planning to visit the NASA space centre in Houston, HOU. Can you avail me to book a flight ticket?

ASSISTANT: Sure, let me know your source airport code?

USER: I want to take off from Dallas & Fort Worth, DFW.

ASSISTANT: May I know your travel dates please?

USER: My travel dates are Dec 01 and 03.

ASSISTANT: Do you have requirements?

USER: I prefer to have a connecting flight.

ASSISTANT: Can you mention your name to proceed further?

USER: Virginia Thompson here.

ASSISTANT: Hawaiian Airlines has a connecting flight with number 1012 for fare 200, shall I proceed?

USER: Please reserve it for me.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thanks for the quick response.

ASSISTANT: Thank you for opting us and have a safe flight.