You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I'm Anna Smith. I am planning to attend music concert at DTW, can you please help me with booking a flight ticket from DFW?

ASSISTANT: May I know your trip dates?

USER: Sure, I would like to take off on 06/29 and return back on 07/01.

ASSISTANT: Sorry, no flights found on your dates.

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

ASSISTANT: Most welcome.