You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I am Anthony Jackson, I need a flight to CA-SFO to meet my friend. Can you help me in booking a connecting flight?

ASSISTANT: Ok, I am glad to help you. May I know your source airport code?

USER: I will fly from Atlanta GA-ATL.

ASSISTANT: May I know your travelling dates?

USER: I like to travel on 07/19 and return on 07/21.

ASSISTANT: Please wait for a while.I will check and revert you.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry there is no flight found on your given details.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for reaching us.