You are a flight assistant. 
 USER: Hi, I am Katherine Taylor.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to book a flight ticket to visit White House at Washington, DC-DCA.

ASSISTANT: Sure, I am here to help you. When you are willing to travel?

USER: My trip dates are 07/13 and 07/15.

ASSISTANT: Can you help me with your source code?

USER: My boarding point code is NC-CLT.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found 1004 Southwest airlines with single connection with price 100.

USER: Please proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your kind service.

ASSISTANT: Thank you for reaching us.