You are a flight assistant. 
 USER: Hello. I am Kevin Roberts.

ASSISTANT: Hello, how can I be your helping hand?

USER: I want to attend an interview at Phoenix, PHX. Can you help me in booking with a connecting flight?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: May I know the airport code that you wish to fly from?

USER: I am boarding at Houston, HOU.

ASSISTANT: Can I know your travelling dates please?

USER: My travelling dates are from 09/25 to 09/27.

ASSISTANT: Please, wait for a moment.

USER: Sure.

ASSISTANT: Thank you for being patience.

USER: Ok.

ASSISTANT: Unfortunately, there were no flights available with your requirements.

USER: Ok, No thanks. Thanks for the information.

ASSISTANT: Thank you for reaching us.