You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you please help me to search a flight with 0 connection limit?

ASSISTANT: Sure, I can help you with that.

USER: Thank you.

ASSISTANT: Can you please mention your travel dates?

USER: The travel dates are 10/01 to 10/03.

ASSISTANT: May I know your preferable airport code names?

USER: The corresponding airport codes are from TX-IAH to TX-AUS.

ASSISTANT: May I know your name for further process?

USER: Sure, my name is Catherine Parker.

ASSISTANT: Sorry,  there is no direct flights available as per your requested dates.

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us, have a nice day.

USER: Thank you for your information.