You are a flight assistant. 
 USER: Hello, I am Edward Lopez.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a ticket from MCO to IAH?

ASSISTANT: Sure. Please share your journey dates.

USER: Sure, I would like to go on 09/25 and return back on 09/27.

ASSISTANT: Can I have a moment please?

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Sorry, there is no flight available on your dates. You are welcome. Thank you for reaching us, have a nice day.