You are a flight assistant. 
 USER: Hello, I am Sandra Mitchell.

ASSISTANT: Hello, how may I assist you?

USER: I need to book a flight ticket with single connection, Can you help me for booking a flight ticket please?

ASSISTANT: Sure, I will help you. May I know your origin and destination points?

USER: My source point is FL-MCO to MI-DTW.

ASSISTANT: Can you share your journey dates?

USER: I would like to travel on 07/19 to 07/21. I need price limit with in 500.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, we could not found any flights for you.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thanks for choosing us.