You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nicholas Jones.

ASSISTANT: How can I aid you?

USER: I am planning to visit Charlotte, CLT. Can you please book me a ticket from Atlanta, ATL?

ASSISTANT: Sure, may I know your travel dates?

USER: My preferable journey dates are from 06/13 to 06/15.

ASSISTANT: Here, I found a connecting flight for you and airfare is about 100. Shall I proceed further in booking?

USER: Please book my ticket with this airlines.

ASSISTANT: Your ticket has been confirmed for the flight 1021 in UA airlines.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.