You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello, how can I help you?

USER: Can you make my reservation from ATL to IAH?

ASSISTANT: May I know your travel dates please?

USER: My travelling dates are from 05/13 to 05/15.

ASSISTANT: There is no flight available on your desired travel dates. May I know your name please?

USER: Myself Helen Carter.

ASSISTANT: Do you have anything else?

USER: No.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.