You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Robert Johnson.

ASSISTANT: How can I aid you?

USER: I need to book a ticket to meet my friend to visit Jain Temple on 12/19 and I like to return on 12/21. Could you please help me in booking a ticket?

ASSISTANT: Sure, Can I know your preferable airport codes?

USER: Sure, my airport codes are DTW and IAD.

ASSISTANT: We found a AA airline, flight number:1002 and the price is 100. Can I reserve it?

USER: You can proceed.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for your kind help in reserving a ticket.

ASSISTANT: Thank you for consulting us.