You are a flight assistant. 
 USER: Hello, I am Jonathan Harris.

ASSISTANT: Hello, Jonathan Harris, how can I provide assistance to you?

USER: I want to book a ticket from HOU to CLT for an Meeting. Can you please help me in that?

ASSISTANT: Sure, we are happy to help you. Can you please assign your journey dates?

USER: My travelling dates are 08/24 to 08/26, Make sure that I want a direct flight with price limit 500.

ASSISTANT: Sure, Thanks for your information. Please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Sorry, we did not find any direct flight based on your requirements.

USER: Ok, Thank you for your information.

ASSISTANT: Thanks for reaching us, have a joyful day.