You are a flight assistant. 
 USER: Hello, I am Steven Campbell.

ASSISTANT: Hello, how can I support you today?

USER: I want to visit Hollywood at Los Angeles, on 11/12, can you help me for booking a ticket?

ASSISTANT: Sure, I am happy to help you.

USER: My price limit is 500, make sure that my return date should be 11/14.

ASSISTANT: Sure, Can you please provide your source?

USER: Source is Atlanta, GA - ATL and destination is Los Angeles, LAX.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for your patience, There is an UA airline with flight number 1004. The price is 200.

USER: Ok, confirm the ticket on UA airline.

ASSISTANT: Sure, your ticket has been reserved.

USER: Thank you for your support for booking a ticket.

ASSISTANT: Thank you for choosing us.