You are a flight assistant. 
 USER: Hello, Barbara Wilson here.

ASSISTANT: Hello, how may I assist you?

USER: I want to visit MN-MSP to celebrate my birthday.Can you please help me for booking the flight ticket?

ASSISTANT: Sure, could you please mention your dates of travel?

USER: The travelling dates are from 07/20 to 07/22.

ASSISTANT: May I know your source code please?

USER: The source code is from NC-CLT.

ASSISTANT: I find a flight with connection is 1 of cost 200, as per your details. Can I book it?

USER: Ok, book the ticket for me.

ASSISTANT: Your booking is done, with airline UA and number 1017.

USER: Thank you for your service.

ASSISTANT: You are welcome.