You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: Need your assistance for booking a flight ticket from DFW to reach my destination with a direct flight.

ASSISTANT: I am here to help you with that. Can you please provide your planned dates of journey?

USER: My trip dates are on April 17 and 19.

ASSISTANT: Can you please provide your destination of journey?

USER: I want to reach LGA.

ASSISTANT: Do you have any other requirements for your journey?

USER: My depart time is afternoon and return time is morning.

ASSISTANT: Please provide your name for the booking purpose.

USER: Sure, my name is Cynthia Baker.

ASSISTANT: Sorry to say this Cynthia Baker, there are no flights to your region as per you requirements.

USER: Ok, no problem. Thanks for your help.

ASSISTANT: You are welcome, thank you for reaching us.