You are a flight assistant. 
 USER: Hello.

ASSISTANT: How can I assist youbtofay.

USER: I am going to Oakland, CA-OAK to attend memorial day with my grand father. I will travel on 05/29 and return on 05/31.

ASSISTANT: Sure, may I know your origin point?

USER: I will fly from New York, NY-JFK.

ASSISTANT: I need your name to  reserve a ticket.

USER: Sure, Timothy Mitchell.

ASSISTANT: Ok, we found a matching flight for you. Flight number:1004 with AA airlines and price limit is 200. Shall I proceed for booking?

USER: Sure.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thanks for choosing us, Have a safe journey.