You are a flight assistant. 
 USER: Hi,. I am Justin Campbell.

ASSISTANT: Hello, how can I support you for the day.

USER: I want to attend Flower Festival to collect some variety of flowers and decorate my house.

ASSISTANT: Sure, I am here to help you.

USER: So, can you please help me in booking a flight ticket from TX - AUS? Thank you.

ASSISTANT: May I know your reaching point?

USER: I want to travel to TX - DFW.

ASSISTANT: When you are willing to travel?

USER: My travelling dates will be 03/27 - 03/29.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, we found no flights with your specification.

USER: Thank you.

ASSISTANT: Thank you for reaching us.