You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Jeffery Johnson.

ASSISTANT: Yes, Jeffery.

USER: I just want to make a reservation for attending a international painting competition.

ASSISTANT: That's sounds great, can you provide me your travelling details?

USER: My travel codes will be ATL to CLT, my dates are 05/24 to 05/26.

ASSISTANT: Sad to say you that, there is no flight on your requirement.

USER: Oh! that's sad news for me. Thanks for helping me.

ASSISTANT: Thank you for approaching us.

USER: Welcome.