You are a flight assistant. 
 USER: Hello. I am Virginia Miller.

ASSISTANT: Hello, how may I guide you at this moment?

USER: I am planning to attend a seminar in New York EWR from Dallas DFW. Can you make a reservation for me?

ASSISTANT: Sure, I am happy to help you with the ticket booking. May I know your airlines preference?

USER: Thank you.  I want a normal cost flight.

ASSISTANT: Ok, please tell me if you have any preference related to timings of departure and return.

USER: I want to return in the morning time.

ASSISTANT: Ok, can you please share your travel dates?

USER: Ok, my journey dates are on Aug 26 and return on Aug 28.

ASSISTANT: Ok, please give me a minute.

USER: Ok, I need a single connecting flight.

ASSISTANT: Sorry to intimate you that, there are no flights found in this route with the requirements you have mentioned.

USER: Ok, not an problem. Anyway's thank you for your information.

ASSISTANT: You are welcome. Thank you for choosing our agency.