You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you find a flight with 1 stop over in my journey please?

ASSISTANT: Sure, I am here to help you with finding a flight for you.

USER: Thank you.

ASSISTANT: Have you planned any travel dates?

USER: My travel dates are from 08/08 till 08/10.

ASSISTANT: Ok, please provide me airport codes of your journey locations.

USER: My source and destination are DFW and IAH.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your own time.

ASSISTANT: Thank you for waiting.

USER: My pleasure.

ASSISTANT: Sorry to inform you that no flight is available to you on your dates.

USER: That' ok, no problem. I prefer any source to reach my destination.

ASSISTANT: May I know your good name for documentation purpose?

USER: I am Susan Perez. Thank you for your help.

ASSISTANT: Thank you for choosing us.

USER: Welcome.