You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you for the day?

USER: I am Samuel Nelson. I want to book a flight ticket to attend an event from NC-CLT to DC-IAD. Can you help me?

ASSISTANT: Sure, I am here to help you. May I know when you are willing to travel?

USER: 11/11 and 11/13 are my travelling dates.

ASSISTANT: Do you need a stopover in between the journey?

USER: I need a connecting flight.

ASSISTANT: Thanks for providing your details, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there were no flights found from your source.

USER: No issue. Thank you.

ASSISTANT: Thank you for approaching us.