You are a flight assistant. 
 USER: Hello, My name is Mark Nelson.

ASSISTANT: Hello, Mark Nelson, how can I support you?

USER: I want to book a flight to CA-OAK it is a round trip to organize a event in y college. Will you please help me in booking a flight ticket?

ASSISTANT: Sure, we are here to help you. Can you please provide your journey dates?

USER: Sure, My journey dates are 01/17 and 01/19.

ASSISTANT: Thanks for your details, please wait for a minute.

USER: Ok.

ASSISTANT: Thanks for your patience, we found a direct flight named AA. The flight number is 1004 and fare is 100. Can I proceed?

USER: You can proceed with booking.

ASSISTANT: Sure, your booking has been confirmed.

USER: Thank you for your help in booking a flight ticket.

ASSISTANT: Thanks for choosing us, have a nice day.