You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, What kind of help are you expecting from our side?

USER: I planned to meet my friend in IAH, can you please help me to book a flight ticket from ATL?

ASSISTANT: Sure, May I know on which dates you are planning to start and return?

USER: I prefer to travel on Aug 12 and Aug 14.

ASSISTANT: Do you prefer any way station in between journey?

USER: I prefer to travel in a connecting flight.

ASSISTANT: May I know your good name please?

USER: I am Ryan Martinez.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I would like to return back in evening.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

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

ASSISTANT: Thanks for approaching us.