You are a flight assistant. 
 USER: Hello, myself Kevin Hernandez.

ASSISTANT: Hello, how may I help you?

USER: I am planning to book a flight ticket to DTW from ATL, can you please help me out?

ASSISTANT: Sure, on which dates you are planning to travel?

USER: Sure, my planned travelling dates are 11/24 and 11/26.

ASSISTANT: Sorry, we regret to inform you that on these dates no flights are available.

USER: It's ok, thank you for the information.

ASSISTANT: Most welcome.