You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Donna Hernandez.

ASSISTANT: How may I aid you?

USER: I am planning to visit a central park at New York. Can you please help me out to book a ticket from OAK to JFK?

ASSISTANT: Ok, can you please share your journey dates?

USER: I would like to travel on 08/13 and return back on 08/15.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Thank you for your waiting, there is a flight for you in Delta airlines with price 100. Can I proceed?

USER: Yes, you can proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1008.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.