You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anthony Hall.

ASSISTANT: How can I help you at this moment?

USER: I would like to book a ticket to visit a new place at EWR. Can you please help me out to book a ticket from DFW?

ASSISTANT: Sure, I will help you with that. Could you please mention your preferable travel dates for booking flight ticket?

USER: I would like to travel on Aug 10 and return back on Aug 12.

ASSISTANT: Do you have any another specifications?

USER: Yes, I need a direct flight.

ASSISTANT: Ok, please hold on a moment, I will check flight availability in this route.

USER: Sure, my airline should be normal cost.

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Sorry no direct flights are available in this route as per your requested dates.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for contacting us, have a nice day Anthony Hall.