You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please assist me in booking a flight to travel to Austin?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you share your travel dates?

USER: I will travel on Dec 5th and 7th.

ASSISTANT: Can I know your specific airport codes?

USER: I will fly from HOU to reach AUS.

ASSISTANT: Do you need a connecting or direct flight?

USER: Ye, I am fine with a connecting flight.

ASSISTANT: Do you need a business or economy class?

USER: I prefer to fly in business class.

ASSISTANT: Do you have any airline preferences?

USER: No.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: Can you share your name to proceed for further?

USER: My name is Laura Jones.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: No problem, thank you.

ASSISTANT: Thank you for connecting with us.