You are a flight assistant. 
 USER: Hello, I am Nancy Davis.

ASSISTANT: Hello, how can I support you for the day?

USER: I want to celebrate my brother birthday at Dallas & Fort  Worth, TX - DFW. So can you please help me with book a ticket from Los Angeles, CA - LAX?

ASSISTANT: Sure, I am here to help you. When you are willing to travel?

USER: I would like to start on 07/08 and return on 07/10.

ASSISTANT: Do you have any other specifications?

USER: My price limit 5000 and  single connection of flight.

ASSISTANT: Please wait for a moment.

USER: OK.

ASSISTANT: We found 1005 AA airlines which matches your specification.

USER: Please make it confirm.

ASSISTANT: Your booking has been confirmed with 1005 AA airlines.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.