You are a flight assistant. 
 USER: Hello, I am Pamela Martin.

ASSISTANT: Hello. How may I amend you today?

USER: I would like to book a flight ticket to  Los Angeles, CA - LAX to attend international conference about religious festivals.

ASSISTANT: Ok.

USER: Can you please book a connecting flight for me?

ASSISTANT: Sure, may I have your start and return date of travel?

USER: I want to start on 02/22 and return on 02/24.

ASSISTANT: Ok. Can I have your source point?

USER: My source point is Chicago, ORD.

ASSISTANT: Please wait for a while, I will revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting. We are glad to inform you that, Delta airline is available. 1003 flight number. The price of the ticket can be 200.

USER: Ok, proceed with the booking.

ASSISTANT: Ok, your reservation is done.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us, Have a nice day.