You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to travel to Washington, so please help me to book a flight ticket.

ASSISTANT: Can you provide me your airport codes and travel dates?

USER: My travel dates are 03/15 and 03/17. The airport codes are from DFW to IAD.

ASSISTANT: I got a flight with price is 100 and flight number is 1015. Can I proceed?

USER: Please let me know the connection limit?

ASSISTANT: Connection is 1.

USER: No, I want a flight with connection 0.

ASSISTANT: May I know your name please?

USER: My name is Barbara White.

ASSISTANT: Sorry for your inconvenience White.

USER: Its ok, thank you for the information.

ASSISTANT: You are welcome.