You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to meet my relatives at DCA, I want to book a ticket from ATL.

ASSISTANT: Ok, could you please provide your preferable travel dates?

USER: Sure, my planned dates are from 09/13 to 09/15.

ASSISTANT: May I know your name to proceed further?

USER: My name is Mary Adams.

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

USER: Ok, please book my ticket.

ASSISTANT: I have successfully booked your flight ticket with 1019 flight number.

USER: Thank you for your help.

ASSISTANT: You are most welcome. Thank you for choosing our service.