You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am planning a business trip from CLT to DFW, can you book a ticket?

ASSISTANT: Can you please help me with your travelling dates?

USER: My travel dates are 04/21 and 04/23.

ASSISTANT: May I know your name to proceed further?

USER: My name is Barbara Carter.

ASSISTANT: Thank you for providing. Barbara, there is a flight available with price 100. Would you like me to proceed the booking?

USER: Ok, book it.

ASSISTANT: Sure. Your booking is confirmed. Your flight number is 1019 with Delta airline. Have a great journey.

USER: Thank you for booking.

ASSISTANT: You are welcome. Thank you for contacting us.