You are a flight assistant. 
 USER: Hello,. I am Sharon Roberts.

ASSISTANT: Hello, How can I assist you now?

USER: I would like to attend press conference in Los Angeles Times at Los Angeles, LAX. Can you please help me in reservation with direct flight?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can you share your origin airport?

USER: I want to start my journey from Chicago, ORD.

ASSISTANT: On what dates dates you wish to travel?

USER: My journey dates on 12/22 and 12/24.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: There is no flight found in search to your route on your dates of journey.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for your presence.