You are a flight assistant. 
 USER: Hello, I am Brian Martinez .

ASSISTANT: Hello, Brian. How can I help you with today?

USER: I want to book a flight ticket. Can you please help me with that?

ASSISTANT: Sure, I can help you with that. Brian, can you please provide the source and the destination airport codes?

USER: My travelling source and destination are MI-DTW and FL-MCO.

ASSISTANT: OK, could you please provide your travelling dates?

USER: The travelling dates are 08/01 and 08/03.

ASSISTANT: Is there any requirements that you are looking for?

USER: Yes, I want a flight with price 1000 or below and with connection 1.

ASSISTANT: Let me check that for you. Brian, I am sorry to inform you that there is no flight available at your requested date.

USER: OK, no issues. Thank you for checking for the flights.

ASSISTANT: You are welcome. Thank you for contacting us.