You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dorothy Brown.

ASSISTANT: How may I help you out?

USER: Can you please help me in flight ticket booking for me to attend a meeting?

ASSISTANT: Sure, I will help in booking the ticket. May I know your travelling dates please?

USER: Thank you.

ASSISTANT: Can I know your airport codes too?

USER: My planned dates are on 09/05 and back on 09/07.

ASSISTANT: Ok, please wait for a while.

USER: My airport codes are from DEN to ATL.

ASSISTANT: Please hold on.

USER: Sure.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed with this flight?

USER: Yes, you can book my flight ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1002.

USER: Thank you for your help in my ticket booking.

ASSISTANT: Thank you for choosing us.

USER: Welcome.