You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I'm Deborah Scott. I am planning to attend live concert at DFW, can you please help me with booking a flight ticket from EWR?

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

USER: Sure, I would like to take off on 04/10 and return back on 04/12.

ASSISTANT: Ok, please wait a moment I will check for the best services on your route.

USER: Sure.

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.

USER: You are welcome.