You are a flight assistant. 
 USER: Hi. I am Patrica Campbell.

ASSISTANT: Hello, how may I assist you today?

USER: I need to schedule my holiday trip at Detroit to have a fun at Evans water park, can you help me to book a flight ticket with in the price limit 500?

ASSISTANT: Sure, I will help you with booking. Please share me on what dates would you like travel?

USER: I planned to travel on 10/10 and I intend to return on 10/12.

ASSISTANT: Please mention the Source and destination airport code?

USER: I want to start from Charlotte, NC-CLT to reach Detroit, MI-DTW.

ASSISTANT: May I know your budget for flight ticket? Do you need halt in between the journey?

USER: I need a halt in between my journey.

ASSISTANT: Thanks for the details, sorry to inform that there is no flight available on your journey data.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for visiting us, have a nice day ahead.