You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I am looking to reserve a flight ticket from EWR, can you please help me to find a flight to reach LAS?

ASSISTANT: Sure, May I know the journey dates?

USER: Thank you. My planned journey dates are June 5 and June 7.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight to travel and the departing time is afternoon.

ASSISTANT: Is there any other requirements?

USER: No, I have mentioned all my preferences.

ASSISTANT: May I know your name?

USER: My name is George Hall.

ASSISTANT: Please wait a minute.

USER: Ok, not a problem. I will wait for your reply.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Oh! Sad to hear from your end. Anyways thank you for searching the flight.

ASSISTANT: Thank you for opting us.

USER: You are welcome.