You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Thomas Robinson. I want to book a flight ticket to attend my nephew birthday in Charlotte, so please help me in booking a flight ticket.

ASSISTANT: Sure, please let me know your travel dates.

USER: I want to fly on 03/22 and return on 03/24.

ASSISTANT: Could you please provide me your airport codes?

USER: My source is Dallas TX - DFW and destination code is NC - CLT.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: There is a connecting flight with price 100, flight number is 1012. Shall I make a move?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been confirmed with UA airlines.

USER: Thank you.

ASSISTANT: Thanks for choosing us to serve you.