You are a flight assistant. 
 USER: Hi. Kenneth Hall on this end.

ASSISTANT: Hello, how may I help you for this moment?

USER: I want to make a reservation for my dad for his trip to CLT, can you book a flight from ATL?

ASSISTANT: Sure, could you please share me with your dates of travel?

USER: He will be travelling on the dates from 04/08 to 04/10.

ASSISTANT: Sorry Hall, there is no flight found as per your travelling details.

USER: Ok, no issues with it. Thank you for assisting me.

ASSISTANT: You are welcome.