You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I had a business meeting in Washington, DC-DCA, so please check a flight ticket from Houston, TX-IAH.

ASSISTANT: Can I know your dates of journey?

USER: My dates of journey are 02/16 and 02/18.

ASSISTANT: Can I know your name for documentation purpose?

USER: Please make sure that the connection limit is 0. My name is Brandon Rodriguez.

ASSISTANT: Sorry Brandon, I did not find any flight basing on your details.

USER: It's ok, thank you.

ASSISTANT: You are welcome.