You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Anthony Jones, I want to book a flight ticket from ATL to LAX.

ASSISTANT: Sure, I am oblige to help you. Can you please provide your travelling dates?

USER: Ok, my travelling dates are 01/09 and 01/11.

ASSISTANT: Please wait for a moment.

USER: Ok, sure.

ASSISTANT: I am unable to find a flight on the trip dates that you have given to book the ticket.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Ok, have a nice day and thank you for reaching us.