You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am Ronald Rodriguez, can you help me to book a flight from CLT to IAH?

ASSISTANT: Sure, may I know your dates of travel please?

USER: My travelling dates are 09/04 and 09/06.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no flight found as per your travelling details.

USER: No issues, thank you for reaching us.

ASSISTANT: You are welcome always.