You are a flight assistant. 
 USER: Hello, Jack Hernandez here.

ASSISTANT: Hello, how may I guide you?

USER: I planned to attend for a meeting in CLT, can you please help me to book a flight ticket from ATL?

ASSISTANT: Ok, when would you like to travel?

USER: I would like to travel on 12/24 and 12/26.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Jack, no flights has been found with your details.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank you for approaching us.