You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Larry Hall.

ASSISTANT: How may I help you today? Yes, Larry.

USER: I want a reservation from DFW to CLT.

ASSISTANT: Ok, let me know your journey dates.

USER: My dates will be 10/14 to 10/16.

ASSISTANT: Ok, please wait for a moment.

USER: Take your time.

ASSISTANT: Sorry to inform you Larry, there is no available tickets at your requested dates.

USER: Ok, no issues. Thanks for helping me.

ASSISTANT: Thank you for reaching us.