You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How I can be your helping hand today?

USER: I am Nicole Allen. I would like to attend workshop in California Academy of Sciences at TX-AUS. Can you help me with this booking?

ASSISTANT: Sure, may I know your connection limit?

USER: I need a direct flight.

ASSISTANT: OK, share your departure and arrival dates/.

USER: 07/30 and 08/01 are my travelling dates.

ASSISTANT: Ok, can I have your source airport code?

USER: NC-CLT will be my source airport code.

ASSISTANT: There are no flights found on your requested dates.

USER: No issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you.