You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I serve you now?

USER: I just want to visit Washington, can you please help me to book a ticket from GA-ATL on 02/25?

ASSISTANT: Sure, please tell me destination code and return date.

USER: Sure, my destination airport code is DC-IAD and my return date is 02/27.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Samantha Davis here.

ASSISTANT: Please wait a while.

USER: Please make sure that connection limit is 0. Sure.

ASSISTANT: Sorry, I have not found any flight in your route as per your planned dates.

USER: Ok, fine I will try to another agency for booking a ticket as it is urgent for me.

ASSISTANT: Thank you, have a nice day.

USER: Welcome.