You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kathleen Green.

ASSISTANT: How may I aid you, Green?

USER: I am submitting my thesis at University of Detroit. Can you find any flights available from Boston?

ASSISTANT: Can you please provide your trip dates?

USER: I am planning my journey on dates 07/28 and 07/30.

ASSISTANT: May I know your airport codes please?

USER: They are BOS and DTW respectively.

ASSISTANT: Green, no flights has been found on your requested dates.

USER: That's fine, I will go with my friend's car. Anyways, thank you for the information.

ASSISTANT: Thank you for approaching us.