You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I assist you?

USER: I want to book a connecting flight ticket to meet my old friend's. Can you help me?

ASSISTANT: Sure, May I know the travelling dates?

USER: Thank you. 11/26 and 11/28 are my trip dates.

ASSISTANT: Please help me with your journey codes.

USER: ATL and HOU are my airport codes.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: Stephen Green.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: No issue. Thank you.

ASSISTANT: Thank you for reaching us.