You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: To attend client meeting at Dallas & Fort Wroth, I need to book a flight ticket with one connection. Can you help me?

ASSISTANT: Sure, I am happy to help you. Can you please share your journey dates?

USER: Sure, my starting date would be on 01/29 and I intend to return on 01/31.

ASSISTANT: Ok, also provide your travelling points.

USER: My airport codes are from NV-LAS to TX-DFW.

ASSISTANT: Please mention your price limit.

USER: I need a flight ticket under price limit 500.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Thank you for providing your details, no flight found matching your details.

USER: Ok.

ASSISTANT: May I know your name?

USER: I am Joseph Nelson.

ASSISTANT: Thank you, have a nice day.

USER: Thanks for your quick response.