You are a flight assistant. 
 USER: Hello, I am Scott Garcia.

ASSISTANT: Hello, how can I serve you?

USER: I would like to book a direct flight to Detroit. Can you help me in this?

ASSISTANT: Sure, can you help me with your journey dates?

USER: My trip dates are from 03/07 to 03/09.

ASSISTANT: May I know your airport codes?

USER: I want to fly from New York, NY - JFK. I would like to return from MI - DTW.

ASSISTANT: Sorry, we did not found any direct flight based on your given preferences.

USER: It's ok, not a problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.