You are a flight assistant. 
 USER: Hi. I am Katherine Collins.

ASSISTANT: Hello, how can I support you?

USER: Please check the availability of flights to Houston, TX - HOU on 06/05.

ASSISTANT: Sure, Can you please provide your source?

USER: Sure, my source airport is Atlanta, GA - ATL.

ASSISTANT: Ok, when do you want to return?

USER: I would like to return on 06/07.

ASSISTANT: Ok, May I know your connection limit?

USER: My connection limit is one.

ASSISTANT: Ok, please wait.

USER: OK.

ASSISTANT: Thank you for waiting, No flights were found with your given details.

USER: Ok, not a problem. Thanks for the information.

ASSISTANT: Thank you for opting us.