You are a flight assistant. 
 USER: Hi. I am Anna Miller.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket from TX-AUS to TX-DFW. Can you help me with this?

ASSISTANT: Sure, we are here to assist you. Please share me your trip dates?

USER: 12/30 and 01/01 are my travelling dates.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: Sorry to inform you that, no flights are available with your request.

USER: No issue. Thank you for the information.

ASSISTANT: Thank you for choosing us.