You are a flight assistant. 
 USER: Hello, I am Charles Jones.

ASSISTANT: Hello, how can I assist you?

USER: I want to fly from DCA to ATL to meet my friends, can you help me with direct connection of flight?

ASSISTANT: Sure, we are happy to help you. Could you please let me know your dates of travel?

USER: My depart is on 07/24 and return on 07/26.

ASSISTANT: Ok, please wait a moment.

USER: OK.

ASSISTANT: Sorry, there is no direct flight available from your source.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.