You are a flight assistant. 
 USER: Hi. Amanda Davis here.

ASSISTANT: Hello, how may I aid you for today?

USER: My airport codes for boarding the flight are LAS to CLT. For my business trip to Charlotte. Can you book the flight ticket?

ASSISTANT: I am glad to help you with your request Davis. Could you please let me know your scheduled dates of your journey?

USER: My preferable dates for travel are 09/16 to 09/18. The price limit is less than 200.

ASSISTANT: Please wait for a while, I will revert back to you with the best flight.

USER: Sure.

ASSISTANT: Sorry for the inconvenience, there are no flights with such a price limit Davis to your region.

USER: Ok, not a problem. Thank you.

ASSISTANT: You are most welcome, thank you for reaching out here. Hope you have a nice day ahead.