You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Sandra Hall. I am planning to book a ticket to attend a marriage at IAD. Can you please help me out from CLT?

ASSISTANT: Ok, I am here to help you, may I know your trip dates too?

USER: I would like to travel on 03/10 and return back on 03/12.

ASSISTANT: Ok, please wait a moment.

USER: Make sure my connection limit is 0.

ASSISTANT: Sorry, there is no direct flight for you.

USER: That's fine. Thank you for your help.

ASSISTANT: Welcome Sandra Hall.