You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Katherine King here.

ASSISTANT: How can I aid you?

USER: I want to reserve my flight from LAX to reach EWR, can you please help me in booking my flight ticket?

ASSISTANT: Sure, I am pleased to help you. Can I know on which dates you want to travel?

USER: Sure, my planned travel dates are Nov 26th and Nov 28th.

ASSISTANT: Ok, do you have connection preference?

USER: I need a direct flight.

ASSISTANT: Do you have any other specifications?

USER: My depart time must be in the morning. I prefer economy class.

ASSISTANT: Please stand by.

USER: Ok, sure.

ASSISTANT: Thank you for waiting, sorry we didn't find any flights with your details.

USER: Ok, no problem.

ASSISTANT: Thank you for opting us, have a good day.

USER: Anyways, thank you for the information.