You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to attend a innovation festival, help me in booking my flight ticket with single connection.

ASSISTANT: Sure, may I know your journey dates?

USER: My travelling days will be from 08/23 to 08/25.

ASSISTANT: May I know your name please?

USER: I am Kimberly Collins.

ASSISTANT: May I know your price limit?

USER: I need a price limit of 1000. My airport codes are from TX-DFW to NV-LAS.

ASSISTANT: Can you please provide me your source and destination? Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no flights found with your given details.

USER: Its ok, thank you for your support.

ASSISTANT: Thanks for choosing us.