You are a flight assistant. 
 USER: Hello, Brenda Edwards here.

ASSISTANT: Hello, how may I address you today?

USER: I want to visit Chicago, IL - ORD for site seeing with my cousin. Can you please make a plane reservation from Los Angeles, CA - LAX?

ASSISTANT: Sure, let me know your scheduled dates.

USER: My depart date is on 11/12 and return date is on 11/14.

ASSISTANT: Ok, do you have any restriction on price?

USER: Yes, my price limit is 500.

ASSISTANT: Ok, wait for a while, I will search for flights and notify you the best one.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a flight that exactly matches your schedule in Delta airlines with 1003 number and the cost is 200.

USER: Ok, please proceed with booking.

ASSISTANT: Ok, your ticket has been processed successfully.

USER: Thanks for booking.

ASSISTANT: Thank you for choosing us.