You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I am Gregory Moore want to attend a live musical concert in Washington. Can you book a ticket?

ASSISTANT: Sure, we are here to help you. Please provide me your airport codes?

USER: I will travel from GA-ATL to DC-DCA.

ASSISTANT: May I know your journey dates?

USER: My travelling days are 01/12 and 01/14.

ASSISTANT: Please wait for some time. I will check and let you know.

USER:  Ok.

ASSISTANT: Based on your given details, we found a flight. Flight number:1024,airline:Delta with price 200. Shall I proceed for the booking?

USER: Ok, you can proceed with the booking.

ASSISTANT: Your booking has been completed.

USER: Thank you for booking.

ASSISTANT: Thanks for choosing us.