You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: My name is Dennis Mitchell. I want to attend for a flower festivals in Philadelphia, so please book a flight ticket with a price limit of 1000.

ASSISTANT: Sure, may I know your journey dates?

USER: My departure day is 04/05, return day is 04/07.

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

USER: My source and destination airport codes are DC-DCA, PA-PHL. And connections limit is one.

ASSISTANT: Please wait for a moment. I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, we found an airline: Southwest, flight number: 1007 with a single connection and price is 100.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thanks for reaching us.