You are a flight assistant. 
 USER: Hello. I'm Paul Wright.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend music concert at EWR, can you please help me with booking a flight ticket from DTW?

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

USER: Sure, I would like to take off on 08/08 and the return back on 08/10.

ASSISTANT: Ok, please hold on for a moment.

USER: Ok, but please make sure that the price limit does not exceed 500.

ASSISTANT: Sorry to say, no flights were available on your route.

USER: Ok, no issues. Thank you for checking.

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