You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Kathleen Lopez want to attend a business conference, can you help me to book a direct flight?

ASSISTANT: Sure, I very glad to help you. May I know your location airport codes please?

USER: Sure, I would like to travel from MSP to CLT.

ASSISTANT: Please share me your trip dates?

USER: Ok, my travelling dates will be 07/29 and 07/31.

ASSISTANT: Please wait a moment, let me check the availability of flight in my route.

USER: Sure.

ASSISTANT: Here I found a flight with 1 connection limit and fare is 100. Can I proceed it?

USER: Can you please check for the direct flight?

ASSISTANT: Sorry Lopez, there is no flight with 0 connection limit flight in your route. All were sold out.

USER: That's fine, thank you.

ASSISTANT: Welcome, thank you for reaching us.