You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Could you please book a flight ticket from AUS to HOU as I need to attend a board meeting in my office?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are Feb 12 and Feb 14.

ASSISTANT: Do you have any other specifications?

USER: Yes, I am looking for a flight with one connection.

ASSISTANT: May I know your airline preference?

USER: I am comfortable with any airline.

ASSISTANT: Can I know your name, please?

USER: My name is Elizabeth Gonzalez.

ASSISTANT: Sorry, no flights are available on your request.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for reaching us.