You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to attend a party at Atlanta, please help me in booking a ticket.

ASSISTANT: Sure, may I know your journey dates please?

USER: My journey dates are 01/28 and 01/30.

ASSISTANT: Please provide me your respective airport codes.

USER: My nearest airport codes are ORD and ATL.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: I found a flight in Frontier airlines with price 200. Shall I book the ticket for you?

USER: Please book the ticket with the name George Moore.

ASSISTANT: Your ticket is confirmed and the flight number is 1000.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.