You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Justin Hernandez, I want to book a flight ticket to DTW from PHL in the month of March. Can you please help me out?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Sure, my travelling dates are 03/25 and 03/27.

ASSISTANT: Sorry to say, no flight is available for you.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.