You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you at this moment from my side?

USER: Ashley Thompson here. Please reserve a flight ticket from MSP to DEN, can you help me?

ASSISTANT: Yes, I am glad to help you with your flight ticket booking.

USER: Thanks.

ASSISTANT: Can you please let me know your scheduled dates of your journey?

USER: Sure, my travelling dates are from 05/16 to 05/18. Please check for a direct flight.

ASSISTANT: Please wait for a while Ashley, while I will check with the flight according to your specifications.

USER: Ok, take your time.

ASSISTANT: Sorry to convey Ashley, we are not able to provide your flight for your journey on your planned dates of your journey.

USER: Ok, no problem. Thank you for your information.

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