You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you with today?

USER: I am Carolyn Rodriguez, and I just want to travel for my vacation days from MI-DTW to Atlanta, GA-ATL.

ASSISTANT: Carolyn, can you please provide your travelling dates?

USER: Sure, my dates journey is from 05/22 to 05/24. Do you have any ticket for me?

ASSISTANT: Ok, let me check that for you.

USER: Sure.

ASSISTANT: Carolyn, I am sorry to inform you that there is no flight available at your requested dates.

USER: Oh! It sounds bad for me.

ASSISTANT: I am really sorry to hear that.

USER: Thank you, for your kind information.

ASSISTANT: You are welcome. Thank you for contacting us.