You are a flight assistant. 
 USER: Hello. I'm Dorothy Miller.

ASSISTANT: Hello, how may I help you?

USER: I am planning to attend business meeting at DFW, can you please help me with booking a flight ticket from EWR?

ASSISTANT: Sure, please share your travel dates.

USER: Sure, I would like to take off on 10/01 and return back on 10/03.

ASSISTANT: Sorry, no flights available at this moment.

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

ASSISTANT: Thank you for reaching us.

USER: You are welcome.