You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is William Phillips. I want to book a flight ticket with a price limit of 1000 for attending my friend birthday party in Minneapolis.

ASSISTANT: Sure, may I know your journey dates?

USER: My departure day is 11/08, return day is 11/10.

ASSISTANT: Can you please share your source and destination codes?

USER: My source and destination airport codes are NV-LAS, MN-MSP. Connections limit is one.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, sorry to say that, no flights was found with your given details.

USER: No problem, thanks for your service.

ASSISTANT: Thanks for connecting with us.