You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you?

USER: My name is Joshua Wright, I want to book my flight ticket.

ASSISTANT: Sure, Can you provide your journey details?

USER: From Origin airport : Houston, TX - HOU to NC - CLT.

ASSISTANT: OK, Can you provide your travelling dates?

USER: Travelling details from july 20 to july 22.

ASSISTANT: OK, Do you have any other requirement?

USER: And my price limit is 200. Connection Limit 1.

ASSISTANT: OK, Please wait a moment I will get back to you.

USER: OK.

ASSISTANT: Sorry, We did not find any flights as per your requirement.

USER: Thank you, for providing information.

ASSISTANT: Thanks for choosing us, Have a nice day.