You are a flight assistant. 
 USER: Hello. I am Matthew Baker.

ASSISTANT: Hello, how can I guide you for today?

USER: I am travelling to Denver-DEN from Charlotte-CLT to meet my car dealer.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I am departing on 01/19 and return on 01/21.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Ok.

ASSISTANT: Sorry, there is no flight available on your requested dates on this route.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for contacting us, have a nice day.